{"title":"Supertech Performance","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/files\/SupertechSpringKit..jpg\" alt=\"Supertech Performance\" width=\"500\" height=\"344\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"text-block\"\u003eSupertech Performance dedicated to providing the racing market, engine builders and enthusiast alike with superior valves and valve train components. Regardless of your application Drag racing, Rally, Road racing, or any other type of Motorsports Supertech has the performance and the quality that you are looking for.\u003c\/div\u003e","products":[{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-package-for-honda-acura-b-series-vtec-b16-b18c-all-motor-or-low-boost-turbo-applications-most-popular","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Package for Honda - Acura B Series VTEC (B16 \u0026 B18C) - All Motor or Low Boost Turbo Applications - Most Popular","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Package for Honda \/ Acura B Series VTEC (B16 \u0026amp; B18C)\u003c\/p\u003e\n\u003cp\u003e- All Motor or Low Boost Turbo Applications\u003c\/p\u003e\n\u003cp\u003eSPRK-H1002D\u003c\/p\u003e\n\u003cp\u003eOuter Spring - 29.05mm OD - 21.85mm ID\u003cbr\u003eInner Spring - 20.50mm OD - 15.50mm ID\u003cbr\u003eSeat Pressure - 70 lbs @ 33.50mm\u003cbr\u003eMax Net Lift - 14.00mm\u003cbr\u003eCoil Bind - 19.50mm Rate - 10.00 lbs\/mm\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003eYour choice of Retainers:\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e- Chromoly steel - recommended for high use, high mileage applications\u003cbr\u003e- Titanium - recommended for low use street and race engines (Titanium Retainers can be a wear item so it is important to monitor their condition on a regular basis)\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Titanium \/ No Thanks","offer_id":43171686842617,"sku":"SPRK-H1002D","price":444.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Yes, please add Supertech Keepers","offer_id":43171726000377,"sku":"SPRK-H1002D-KPR","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Chromoly Steel \/ No Thanks","offer_id":43171686875385,"sku":"SPRK-H1002D-ST","price":388.99,"currency_code":"USD","in_stock":true},{"title":"Chromoly Steel \/ Yes, please add Supertech Keepers","offer_id":43171726033145,"sku":"SPRK-H1002d-ST-KPR","price":484.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4053.jpg?v=1604700430"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-package-for-honda-acura-b-series-vtec-b16-b18c-turbo-or-high-lift-camshaft-applications","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Package for Honda - Acura B Series VTEC (B16 \u0026 B18C) - Turbo or High Lift Camshaft Applications","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Package for Honda \/ Acura B Series VTEC (B16 \u0026amp; B18C)\u003c\/p\u003e\n\u003cp\u003e- Turbo or High Lift Camshaft Applications\u003c\/p\u003e\n\u003cp\u003eSPRK-H100DR \u003cbr\u003eOuter Spring - 30.20mm OD - 22.20mm ID \u003cbr\u003eInner Spring - 22.20mm OD - 16.80mm ID \u003cbr\u003eSeat Pressure - 85 lbs @ 33.50mm\u003cbr\u003eMax Net Lift 15.00mm\u003cbr\u003eCoil Bind 18.50mm\u003cbr\u003eRate 12.90 lbs\/mm\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eYour choice of Retainers:\u003c\/em\u003e\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e- Chromoly steel - recommended for high use, high mileage applications\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e- Titanium - recommended for low use street and race engines (Titanium Retainers can be a wear item so it is important to monitor their condition on a regular basis)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Titanium \/ No Thanks, will use my OEM Keepers","offer_id":43171756245241,"sku":"SPRK-H100DR","price":444.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Yes, Please add Supertech Keepers","offer_id":43171763552505,"sku":"SPRK-H100DR-KPR","price":539.99,"currency_code":"USD","in_stock":true},{"title":"Chromoly Steel \/ No Thanks, will use my OEM Keepers","offer_id":43171789340921,"sku":"SPRK-H100dr-ST","price":388.99,"currency_code":"USD","in_stock":true},{"title":"Chromoly Steel \/ Yes, Please add Supertech Keepers","offer_id":43171789373689,"sku":"SPRK-H100dr-ST-KPR","price":484.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4064.jpg?v=1631824848"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-kit-for-honda-acura-b18a-b18b-b20b-b20z-engines-77lb","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Kit for Honda \u0026 Acura B18A, B18B, B20B, B20Z Engines - 77lb","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Kit for Honda \u0026amp; Acura B18A, B18B, B20B, B20Z Engines - 77lb\u003c\/p\u003e\n\u003cp\u003eSPRK-TS2081\/LS - 54 lb Seat Pressure Kit Outer Spring - 27.50mm OD - 20.00mm ID Inner Spring - 20.00mm OD - 15.50mm ID 77 lbs Seat Pressure @ 34.50mm 13.80mm Max Net Lift 20.70mm Coil Bind 12.10 Lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit B Series Non VTEC B18A, B18B, B20B and B20Z Engines.\u003c\/p\u003e\n\u003cp\u003eThis Package Includes: Supertech Performance Single Valve Springs # SPR-TS1015\/LS, Supertech Retainer # RET-TS66\/T1, Supertech Seat # SEAT-TS15\/LS-IN - SEAT-TS15\/LS-EX\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467135770813,"sku":"SPRK-TS1015\/LS","price":589.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Performance_2016v_20Dual_20Springs_20and_20Titanium_20Retainers_20-02.jpg?v=1604700447"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-kit-for-honda-acura-b18a-b18b-b20b-b20z-engines-54lb","title":"Supertech Performance Single Valve Spring and Titanium Retainer Kit for Honda \u0026 Acura B18A, B18B, B20B, B20Z Engines - 54lb","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Kit for Honda \u0026amp; Acura B18A, B18B, B20B, B20Z Engines\u003c\/p\u003e\n\u003cp\u003eSPRK-TS2081\/LS - 54 lb Seat Pressure Kit Outer Spring - 27.50mm OD - 20.00mm ID Inner Spring - 20.00mm OD - 15.50mm ID 54 lbs Seat Pressure @ 34.50mm 13.80mm Max Net Lift 20.70mm Coil Bind 12.10 Lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit B Series Non VTEC B18A, B18B, B20B and B20Z Engines.\u003c\/p\u003e\n\u003cp\u003eThis Package Includes: Supertech Performance Single Valve Springs # SPR-TS2081\/LS, Supertech Retainer # RET-TS66\/T1, Supertech Seat # SEAT-TS15\/LS-IN - SEAT-TS15\/LS-EX\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467135869117,"sku":"SPRK-TS2081\/LS","price":526.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Performance_2016v_20Dual_20Springs_20and_20Titanium_20Retainers_20-01.jpg?v=1604700452"},{"product_id":"supertech-performance-single-valve-spring-and-titanium-retainer-kit-for-honda-d-series-d15-d16-sohc-non-vtec-engines","title":"Supertech Performance Single Valve Spring and Titanium Retainer Kit for Honda D Series (D15 \u0026 D16) SOHC Non VTEC Engines","description":"\u003cp\u003eSupertech Performance Single Valve Spring and Titanium Retainer Kit for Honda D Series (D15 \u0026amp; D16) SOHC Non VTEC Engines\u003c\/p\u003e\n\u003cp\u003eSPRK-H1003S\u003c\/p\u003e\n\u003cp\u003e- 73 lb Seat Pressure Kit Single Spring - 22.74mm OD - 15.25mm ID 60 lbs seat pressure - 73 lbs @ 40.60mm 13.30mm Max Net Lift 27.30mm Coil Bind 9.90 lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit Honda D15B, D16A6, Etc SOHC Non VTEC Engines.\u003c\/p\u003e\n\u003cp\u003eComplete Set of 16 Single Valve Springs, and 16 Titanium Retainers.\u003c\/p\u003e\n\u003cp\u003eThis Package Includes: Supertech Performance Single Valve Springs # SPR-H1003S, Supertech Retainer # RET-H1003\/T1, Supertech Exhaust Spring Seat # SEAT-H1003E\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467136196797,"sku":"SPRK-H1003S","price":447.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/SPRK-H1003S.jpg?v=1604700479"},{"product_id":"supertech-performance-single-valve-spring-and-titanium-retainer-kit-for-honda-d-series-d15-d16-sohc-vtec-engines","title":"Supertech Performance Single Valve Spring and Titanium Retainer Kit for Honda D Series (D15 \u0026 D16) SOHC VTEC Engines","description":"\u003cp\u003eSupertech Performance Single Valve Spring and Titanium Retainer Kit for Honda D Series (D15 \u0026amp; D16) SOHC VTEC Engines\u003c\/p\u003e\n\u003cp\u003eSPRK-H1002S - 60 lb Seat Pressure Kit\u003c\/p\u003e\n\u003cp\u003eSingle Spring - 22.70mm OD - 15.20mm ID 60 lbs seat pressure - 60 lbs @ 49.50mm\u003c\/p\u003e\n\u003cp\u003e14.90mm Max Net Lift 34.60mm Coil Bind 8.50 lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit Honda D15B, D16Z6, D16Y7, D16Y8 \u0026amp; D17A SOHC VTEC Engines.\u003c\/p\u003e\n\u003cp\u003eComplete Set of 16 Single Valve Springs, and 16 Titanium Retainers.\u003c\/p\u003e\n\u003cp\u003eThis Package Includes: Supertech Performance Single Valve Springs # SPR-H1002S, Supertech Retainer part # RET-H1002\/T1\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Titanium Retainer","offer_id":43029837906169,"sku":"SPRK-H1002S","price":388.99,"currency_code":"USD","in_stock":true},{"title":"Steel Retainer","offer_id":43029837938937,"sku":"SPRK-H1002S-ST","price":334.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/SPRK-H1002S-01.jpg?v=1604700484"},{"product_id":"supertech-performance-bronze-exhaust-valve-guides-for-honda-acura-b-series-b16-b18c-vtec-engines","title":"Supertech Performance Bronze Exhaust Valve Guides for Honda \u0026 Acura B Series (B16 \u0026 B18C) VTEC Engines","description":"\u003cp\u003eSupertech Performance Bronze Exhaust Valve Guides for Honda \u0026amp; Acura B Series (B16 \u0026amp; B18C) VTEC Engines\u003c\/p\u003e\n\u003cp\u003eSupertech Valve Guides: GDE-HB55-E - Supertech Manganese Bronze Exhaust Valve Guides for Honda \u0026amp; Acura B Series VTEC \u0026amp; H22 Engines with 5.5mm valve stem. *Valve Guide Quantities Available In The Drop Down Menu Below*\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Full Set (8 Exhaust Valve Guides)","offer_id":37467139080381,"sku":"GDE-H55-E","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Single (1 Exhaust Valve Guide)","offer_id":37467139113149,"sku":"GDE-H55-E","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4087.jpg?v=1604700497"},{"product_id":"supertech-performance-bronze-intake-valve-guides-for-honda-acura-b-series-b16-b18c-vtec-engines","title":"Supertech Performance Bronze Intake Valve Guides for Honda \u0026 Acura B Series (B16 \u0026 B18C) VTEC Engines","description":"\u003cp\u003eSupertech Performance Bronze Intake Valve Guides for Honda \u0026amp; Acura B Series (B16 \u0026amp; B18C) VTEC Engines\u003c\/p\u003e\n\u003cp\u003eSupertech Valve Guides: GDE-H55-I - Supertech Manganese Bronze Intake Valve Guides for Honda \u0026amp; Acura B Series VTEC \u0026amp; H22 Engines with 5.5mm valve stem. *Valve Guide Quantities Available In The Drop Down Menu Below*\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Full Set (8 Intake Valve Guides)","offer_id":37467139342525,"sku":"GDE-H55-I","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Single (1 Intake Valve Guide)","offer_id":37467139375293,"sku":"GDE-H55-I","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4111.jpg?v=1604700504"},{"product_id":"supertech-performance-bronze-intake-valve-guides-for-honda-civic-d-series-d15-d16-engines","title":"Supertech Performance Bronze Intake Valve Guides for Honda Civic D Series (D15 \u0026 D16) Engines","description":"\u003cp\u003eSupertech Performance Bronze Intake Valve Guides for Honda Civic D Series (D15 \u0026amp; D16) Engines\u003c\/p\u003e\n\u003cp\u003eSupertech Valve Guides: GDE-HD55-I - Supertech Manganese Bronze Intake Valve Guides for Honda D Series Engines with 5.5mm valve stem. *Valve Guide Quantities Available In The Drop Down Menu Below*\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Full Set (8 Intake Valve Guides)","offer_id":37467139473597,"sku":"GDE-HD55-I","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Single (1 Single Intake Valve Guide)","offer_id":37467139506365,"sku":"GDE-HD55-I","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4081.jpg?v=1604700509"},{"product_id":"supertech-performance-bronze-exhaust-valve-guides-for-honda-civic-d-series-d15-d16-engines","title":"Supertech Performance Bronze Exhaust Valve Guides for Honda Civic D Series (D15 \u0026 D16) Engines","description":"\u003cp\u003eSupertech Performance Bronze Exhaust Valve Guides for Honda Civic D Series (D15 \u0026amp; D16) Engines \u003c\/p\u003e\n\u003cp\u003eSupertech Valve Guides: GDE-HD55-E - Supertech Manganese Bronze Exhaust Valve Guides for Honda D Series Engines with 5.5mm valve stem. *Includes required valve seats, These seats must be used with the installation of GDE-HD55-E Valve Guides.* *Valve Guide Quantities Available In The Drop Down Menu Below*\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Full Set (8 Exhaust Valve Guides with Seats)","offer_id":37467139735741,"sku":"GDE-HD55-E","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Single (1 Exhaust Valve Guide without Seat)","offer_id":37467139768509,"sku":"GDE-HD55-E","price":8.99,"currency_code":"USD","in_stock":true},{"title":"Single (1 Exhaust Seat without Guide)","offer_id":37467139801277,"sku":"GDE-HD55-E","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4075.jpg?v=1604700516"},{"product_id":"supertech-performance-valve-stem-seals-for-the-honda-acura-b16-b18c-d16-h22-engines","title":"Supertech Performance Valve Stem Seals for the Honda - Acura B16 B18C D16 H22 Engines","description":"\u003cp\u003eSupertech Performance Valve Stem Seals for the Honda \/ Acura B16 B18C D16 H22 Engines\u003c\/p\u003e\n\n\u003cp\u003ePrice is per set of 16 \u003cbr\u003e\nVS-H5.5I Intake Valve Seals x8  \u003cbr\u003e\nVS-H5.5E Exhaust Valve Seals x8  \u003cbr\u003e\n \u003cbr\u003e\nHonda \/ Acura B18C1, B18C5, B18C, B16A1, B16A, B16, B16A2, D16A6, D16, D16Z6, D16Y8, D16Y7, H22, H23 Fitment. \u003cbr\u003e\n \u003cbr\u003e\nSupertech Performance 5.5mm Viton Valve Stem Seals are reduced outer diameter valve seals, Perfect for those that are using Dual Valve Springs that may otherwise have valve spring clearance issues. Also a performance option for those that just need to install New Valve Stem Seals due to worn pieces.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467139997885,"sku":"SUP-VS-H5.5I\/E","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4033.jpg?v=1604700528"},{"product_id":"supertech-performance-standard-size-intake-exhaust-valve-set-for-honda-acura-b-series-b18a-b18b-b20-non-vtec-engines","title":"Supertech Performance Standard Size Intake \u0026 Exhaust Valve Set for Honda - Acura B Series (B18A B18B \u0026 B20) Non VTEC Engines","description":"\u003cp\u003eSupertech Performance +0.5mm Over Size Intake \u0026amp; Exhaust Valve Set for Honda \/ Acura B Series (B18A B18B \u0026amp; B20) Non VTEC Engines\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1004\/0 Black Nitride Coated Head Diameter - 31.00mm Stem Diameter - 6.57mm Length - 105.4mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1004\/0 Black Nitride Coated Head Diameter - 28.00mm Stem Diameter - 6.55mm Length - 105.80mm\u003c\/p\u003e\n\u003cp\u003e*Note: This is a complete set of 8 Intake and 8 Exhaust Valves, For the Honda\/Acura B18A, B18B, B20B, B20Z Engines.*\u003c\/p\u003e\n\u003cp\u003eBlack Nitride is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese applications. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum). Surface finish is smoother than with chromed stems, having less friction between stem and guide. Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats). Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction. The nitrided layer is adhered to the base material at a microscopic level, so does not \"flake\" or break when the valves bend due to impacts with the pistons. The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem. All valves are swirl polished, have stem undercut and a hardened tip.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467158970557,"sku":"SUP-HIVN-1004\/0 - HEVN-1004\/0","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-01.jpg?v=1604700876"},{"product_id":"supertech-performance-0-5mm-over-size-intake-exhaust-valve-set-for-honda-acura-b-series-b18a-b18b-b20-non-vtec-engines","title":"Supertech Performance +0.5mm Over Size Intake \u0026 Exhaust Valve Set for Honda - Acura B Series B18A B18B B20 Non VTEC Engines","description":"\u003cp\u003eSupertech Performance +0.5mm Over Size Intake \u0026amp; Exhaust Valve Set for Honda \/ Acura B Series (B18A B18B \u0026amp; B20) Non VTEC Engines\u003c\/p\u003e\n\u003cp\u003eHIVN-1004 - +0.5mm Oversize Intake Valve Head Diameter - 28.50mm Stem Diameter - 6.55mm Length - 105.80mm\u003c\/p\u003e\n\u003cp\u003eHEVN-1004 - +0.5mm Oversize Exhaust Valve Head Diameter - 31.50mm Stem Diameter - 6.57mm Length - 105.40mm\u003c\/p\u003e\n\u003cp\u003e*Note: This is a complete set of 8 Intake and 8 Exhaust Valves, For the Honda\/Acura B18A, B18B, B20B, B20Z Engines.*\u003c\/p\u003e\n\u003cp\u003eBlack Nitride is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese applications. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum). Surface finish is smoother than with chromed stems, having less friction between stem and guide. Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats). Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction. The nitrided layer is adhered to the base material at a microscopic level, so does not \"flake\" or break when the valves bend due to impacts with the pistons. The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem. All valves are swirl polished, have stem undercut and a hardened tip.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467161755837,"sku":"HIVN-1004 - HEVN-1004","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-03.jpg?v=1604700900"},{"product_id":"supertech-performance-standard-size-intake-exhaust-valve-set-for-honda-acura-b-series-b16-b18c-dohc-vtec-engines","title":"Supertech Performance Standard Size Intake \u0026 Exhaust Valve Set for Honda - Acura B Series (B16 \u0026 B18C) DOHC VTEC Engines","description":"\u003cp\u003eSupertech Complete 16 Valve Set, Standard Size Intake \u0026amp; Exhaust Valves For Honda \/ Acura B Series DOHC VTEC Engine - B16, B18C1, B18C5, etc.\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1000 Black Nitride Coated Head Diameter - 33.00mm Stem Diameter - 5.48mm Length - 102.5mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1000 Black Nitride Coated Head Diameter - 28.00mm Stem Diameter - 5.45mm Length - 102.5mm\u003c\/p\u003e\n\u003cp\u003eOptional Inconel Exhaust Valves: HEVI-1000 (For High Boost \/ High Heat Applications)\u003c\/p\u003e\n\u003cp\u003e*Available in both (D) Dished and (F) Flat Faces, Please use the drop down menu below to select.*\u003c\/p\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Dished Face \/ No, Thanks","offer_id":37467161919677,"sku":"HIVN-1000 - HEVN-1000","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Dished Face \/ Yes, Please (HEVI-1000)","offer_id":37467161952445,"sku":"HIVN-1000 - HEVI-1000","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ No, Thanks","offer_id":37467161985213,"sku":"HIVN-100f - HEVN-100f","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ Yes, Please (HEVI-1000)","offer_id":37467162017981,"sku":"HIVN-100f - HEVI-1000","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/HIVN-1000_20HEVN-1000-01.jpg?v=1604700908"},{"product_id":"supertech-performance-0-5mm-over-size-intake-exhaust-valve-set-for-honda-acura-b-series-b16-b18c-dohc-vtec-engines","title":"Supertech Performance +0.5mm Over Size Intake \u0026 Exhaust Valve Set for Honda - Acura B Series B16 B18C DOHC VTEC Engines","description":"Supertech Complete 16 Valve Set, +0.5mm Over Size Intake \u0026amp; Exhaust Valves\r\n\r\nFor Honda \/ Acura B Series DOHC VTEC Engine - B16, B18C1, B18C5, etc. \r\n\r\nIntake: HIVN-1000D \r\nBlack Nitride Coated \r\nHead Diameter - 33.50mm \r\nStem Diameter - 5.48mm \r\nLength - 102.5mm \r\n\r\nExhaust: HEVN-1001D \r\nBlack Nitride Coated \r\nHead Diameter - 28.50mm \r\nStem Diameter - 5.45mm \r\nLength - 102.5mm \r\n\r\nOptional Inconel Exhaust Valves: HEVI-1001\r\n(For High Boost \/ High Heat Applications) \r\n\r\n*Available in both (D) Dished and (F) Flat Faces, \r\nPlease use the drop down menu below to select.* \r\n\r\nWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. \r\nWhile this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to \r\ncontinuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\r\n\r\n","brand":"Supertech Performance","offers":[{"title":"Dished Face \/ No, Thanks","offer_id":37467162083517,"sku":"HIVN-1000D - HEVN-1001D","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Dished Face \/ Yes, Please (HEVI-1001)","offer_id":37467162116285,"sku":"HIVN-1000D - HEVN-1001D","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ No, Thanks","offer_id":37467162149053,"sku":"HIVN-1000D - HEVN-1001D","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ Yes, Please (HEVI-1001)","offer_id":37467162181821,"sku":"HIVN-1000D - HEVN-1001D","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-02.jpg?v=1604700913"},{"product_id":"supertech-performance-1-0mm-over-size-intake-exhaust-valve-set-for-honda-acura-b-series-b16-b18c-dohc-vtec-engines","title":"Supertech Performance +1.0mm Over Size Intake \u0026 Exhaust Valve Set for Honda - Acura B Series B16 B18C DOHC VTEC Engines","description":"\u003cp\u003eSupertech Complete 16 Valve Set, +1mm Over Size Intake \u0026amp; Exhaust Valves For Honda \/ Acura B Series DOHC VTEC Engine - B16, B18C1, B18C5, etc.\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1001D Black Nitride Coated Head Diameter - 34.00mm Stem Diameter - 5.48mm Length - 102.5mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1001\/2D Black Nitride Coated Head Diameter - 29.00mm Stem Diameter - 5.45mm Length - 102.5mm\u003c\/p\u003e\n\u003cp\u003eOptional Inconel Exhaust Valves: HEVI-1001\/2 (For High Boost \/ High Heat Applications) *Available in both (D) Dished and (F) Flat Faces,\u003c\/p\u003e\n\u003cp\u003ePlease use the drop down menu below to select.* We apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Dished Face \/ No, Thanks","offer_id":37467162345661,"sku":"HIVN-1001 - HEVN-1001\/2","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Dished Face \/ Yes, Please (HEVI-1001\/2)","offer_id":37467162378429,"sku":"HIVN-1001 - HEVN-1001\/2","price":424.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ No, Thanks","offer_id":37467162411197,"sku":"HIVN-1001 - HEVN-1001\/2","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Flat Face (High Compression) \/ Yes, Please (HEVI-1001\/2)","offer_id":37467162443965,"sku":"HIVN-1001 - HEVN-1001\/2","price":424.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-04.jpg?v=1604700919"},{"product_id":"supertech-performance-standard-size-intake-exhaust-valve-set-for-honda-civic-d15-d16-sohc-non-vtec-engines","title":"Supertech Performance Standard Size Intake \u0026 Exhaust Valve Set for Honda Civic D15 D16 SOHC Non VTEC Engines","description":"\u003cp\u003eSupertech Complete 16 Valve Set, Standard Size Intake \u0026amp; Exhaust Valves For Honda Civic SOHC Non VTEC Engines - D15B2, D16A6, Etc Engines\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1003 Black Nitride Coated Head Diameter - 29.00mm Stem Diameter - 5.48mm Length - 115.0mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1003 Black Nitride Coated Head Diameter - 25.00mm Stem Diameter - 5.45mm Length - 118.75mm\u003c\/p\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467165360317,"sku":"HIVN-1003 - HEVN-1003","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-07.jpg?v=1604700973"},{"product_id":"supertech-performance-standard-size-intake-exhaust-valve-set-for-honda-civic-d15-d16-d17-sohc-vtec-engines","title":"Supertech Performance Standard Size Intake \u0026 Exhaust Valve Set for Honda Civic D15 D16 \u0026 D17 SOHC VTEC Engines","description":"\u003cp\u003eSupertech Complete 16 Valve Set, Standard Size Intake \u0026amp; Exhaust Valves For Honda Civic SOHC VTEC Engines - D16Y7, D16Y8, D16Z6, D17A, D15B Engines\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1012 Black Nitride Coated Head Diameter - 30.00mm Stem Diameter - 5.48mm Length - 118.50mm Exhaust:\u003c\/p\u003e\n\u003cp\u003eHEVN-1012 Black Nitride Coated Head Diameter - 26.00mm Stem Diameter - 5.45mm Length - 116.0mm\u003c\/p\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467165524157,"sku":"HIVN-1012 - HEVN-1012","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-06.jpg?v=1604700979"},{"product_id":"supertech-performance-0-5mm-over-size-intake-exhaust-valve-set-for-honda-civic-d15-d16-d17-sohc-vtec-engines","title":"Supertech Performance +0.5mm Over Size Intake \u0026 Exhaust Valve Set for Honda Civic D15 D16 \u0026 D17 SOHC VTEC Engines","description":"\u003cp\u003eSupertech Complete 16 Valve Set, +0.5mm Over Size Intake \u0026amp; Exhaust Valves For Honda Civic SOHC VTEC Engines - D16Y7, D16Y8, D16Z6, D17A, D15B Engines\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1002 Black Nitride Coated Head Diameter - 30.50mm Stem Diameter - 5.48mm Length - 118.50mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1002 Black Nitride Coated Head Diameter - 26.50mm Stem Diameter - 5.45mm Length - 116.0mm\u003c\/p\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467165556925,"sku":"HIVN-1002 - HEVN-1002","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20-05.jpg?v=1604700985"},{"product_id":"supertech-performance-valve-locks-keepers-for-b-series-vtec-b16-b18c-k-series-k20-k24-engines","title":"Supertech Performance Valve Locks - Keepers for B Series VTEC (B16, B18C) \u0026 K Series (K20, K24) Engines","description":"\u003cp\u003eSupertech Performance Valve Keepers (Locks) for Honda \/ Acura B Series VTEC \u0026amp; K Series Engines.\u003c\/p\u003e\n\u003cp\u003eThese are the 5.5mm and 7 Degree Design\u003c\/p\u003e\n\u003cp\u003eB16, B18C, B18C1, B18C5, B17A, K20A, K20A2, K20Z, K24A2, etc, Fitments\u003c\/p\u003e\n\u003cp\u003eNewly redesigned, and now fully CNC Machined for a higher quality and better precision finish.\u003c\/p\u003e\n\u003cp\u003ePrice is for a full set of 32 Keepers (Enough to do (1) 16 valve engine)\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467386151101,"sku":"KPR-5.5\/7","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3293-01.jpg?v=1604706285"},{"product_id":"supertech-performance-titanium-retainers-for-honda-acura-b-series-b16a-b18c-dohc-vtec-engines","title":"Supertech Performance Titanium Retainers for Honda - Acura B Series (B16A \u0026 B18C) DOHC VTEC Engines","description":"\u003cp\u003eSupertech Performance Titanium Retainers for any Honda\/Acura B Series DOHC VTEC Engine - B16, B18C1, B18C5, etc. \u003cbr\u003e\n \u003cbr\u003e\nComplete set of 16, Titanium Retainers \u003cbr\u003e\n \u003cbr\u003e\nThese will work on all Supertech Valve Springs, OEM Valve Springs, and possibly other manufacturer aftermarket valve springs. \u003cbr\u003e\n(Although we will not be held responsible for fitment on other manufacturers valve springs.)\u003c\/p\u003e \n\n\u003cp\u003eThey utilize the OEM Style 7 Degree Keepers - You can use your OEM or purchase the Supertech Keepers. \u003cbr\u003e\n \u003cbr\u003e\nManufactured with High Quality Military Certified Titanium Alloy, CNC machined for a tight fit that will ensure a long durability.\u003c\/p\u003e \n\n\u003cp\u003eFree Shipping in the Continental 48 States!\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467405254845,"sku":"SUP-RET-K20A2\/T2","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3087-02.jpg?v=1604706752"},{"product_id":"supertech-performance-steel-retainers-for-honda-acura-b-series-b16-b18c-dohc-vtec-engines","title":"Supertech Performance Steel Retainers for Honda - Acura B Series (B16 \u0026 B18C) DOHC VTEC Engines","description":"\u003cstrong\u003eSupertech Performance Steel Retainers For\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eHonda \/ Acura B Series (B16 \u0026amp; B18C) DOHC VTEC Engines \u003cbr\u003e\u003cbr\u003eFitment: Honda Civic Si B16A, Acura Integra GSR B18C1, Acura Integra Type R B18C5, etc. \u003cbr\u003e\u003cbr\u003e Complete set of 16 Steel Retainers These will work on all Supertech Valve Springs, OEM Valve Springs, and possibly other manufacturer aftermarket valve springs. (Although we will not be held responsible for fitment on other manufacturers valve springs.) They utilize the OEM Style 7 Degree Keepers - You can use your OEM or purchase the Supertech Billet Keepers.\u003cbr\u003e\u003cbr\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467405418685,"sku":"SUP-RET-HBK-ST","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3091-01.jpg?v=1613152218"},{"product_id":"supertech-performance-bronze-exhaust-valve-guides-for-the-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Bronze Exhaust Valve Guides for the Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance Bronze Exhaust Valve Guides for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003eGDE-HK55-E - Supertech Performance Exhaust Valve Guide Honda \/ Acura K20 K20A K20A2 K20A3 K20Z1 K20Z3 K24A2 K24A4 K24A8 Fitment.\u003c\/p\u003e\n\u003cp\u003ePrecision-machined from High Quality Manganese Bronze material. These guides in combination with our low friction Black Nitride Valves provides the best solution for performance and durability. Exhaust guides for high powered engines that need a better thermal transfer coefficient, We use a Copper Alloy. Copper has about 3 times higher thermal transfer than Manganese Bronze.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Exhaust Guide Set (8)","offer_id":37467557953725,"sku":"GDE-HK55-E","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Single Valve Guide (1)","offer_id":37467557986493,"sku":"GDE-HK55-E","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/GDE-HK55-E.jpg?v=1604710723"},{"product_id":"supertech-performance-bronze-intake-valve-guides-for-the-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Bronze Intake Valve Guides for the Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance Bronze Intake Valve Guides for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003eGDE-HK55-I - Supertech Performance Intake Valve Guide Honda \/ Acura K20, K20A, K20A2, K20A3, K20Z1, K20Z3, K24A2, K24A4, K24A8\u003c\/p\u003e\n\u003cp\u003eFitment. Precision-machined from High Quality Manganese Bronze material. These guides in combination with our low friction Black Nitride Valves provides the best solution for performance and durability. Exhaust guides for high powered engines that need a better thermal transfer coefficient, We use a Copper Alloy. Copper has about 3 times higher thermal transfer than Manganese Bronze.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Intake Guide Set (8)","offer_id":37467558052029,"sku":"GDE-HK55-I","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Single Valve Guide (1)","offer_id":37467558084797,"sku":"GDE-HK55-I","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/GDE-HK55-I.jpg?v=1604710728"},{"product_id":"supertech-performance-bronze-valve-guides-for-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Bronze Valve Guides for Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance Bronze Valve Guides for Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003e8x GDE-HK55-I - Supertech Performance Intake Valve Guides\u003c\/p\u003e\n\u003cp\u003e8x GDE-HK55-E - Supertech Performance Exhaust Valve Guides\u003c\/p\u003e\n\u003cp\u003eHonda \/ Acura K20 K20A K20A2 K20A3 K20Z1 K20Z3 K24 K24A2 K24A4 K24A8 Fitment.\u003c\/p\u003e\n\u003cp\u003e*Price listed is for a Set of 16 Valve Guides*\u003c\/p\u003e\n\u003cp\u003ePrecision-machined from High Quality Manganese Bronze material. These guides in combination with our low friction Black Nitride Valves provides the best solution for performance and durability. Exhaust guides for high powered engines that need a better thermal transfer coefficient, We use a Copper Alloy. Copper has about 3 times higher thermal transfer than Manganese Bronze.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467558412477,"sku":"GDE-HK55-I-E","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Honda_20Acura_20K20_20K24_20Valve_20Guides.jpg?v=1604710735"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-kit-for-the-honda-acura-k-series-k20-k24-engines-95lb","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda - Acura K Series (K20 \u0026 K24) Engines - 95lb","description":"Supertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSPRK-H1021D\u003c\/strong\u003e - Supertech Dual Valve Springs - 95 lb Seat Pressure Kit \u003cbr\u003e Outer Spring - 30.00mm OD - 21.80mm ID \u003cbr\u003eInner Spring - 21.30mm OD - 15.50mm ID \u003cbr\u003e95 lb seat pressure @ 40.40mm \u003cbr\u003eMax Net Lift 15.30mm \u003cbr\u003eCoil Bind 22.70mm \u003cbr\u003eRate 13.20 lbs\/mm \u003cbr\u003e\u003cbr\u003eWill Fit Honda\/Acura K20A, K20A2, K20Z1, K20Z3, and K24A2 Engines. \u003cbr\u003e\u003cbr\u003eComplete set of 16 Dual Valve Springs, 16 Titanium Retainer's, and Seat's This Package Includes: Supertech Performance Dual Valve Springs # SPR-TS1021D, Supertech Retainer part # RET-K20A2\/T2, and Seat part # SEAT-H1020D. \u003cbr\u003e\u003cbr\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. \u003cbr\u003e\u003cbr\u003eTitanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":38085491720381,"sku":"SPRK-H1021D","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3628-01.jpg?v=1613151840"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-kit-for-the-honda-acura-k-series-k20-k24-engines-97lb","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda - Acura K Series (K20 \u0026 K24) Engines - 97lb","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003e- 97lb SPR-H1019D - Supertech Dual Valve Springs\u003c\/p\u003e\n\u003cp\u003e- 97 lb Seat Pressure Kit Outer Spring - 30.00mm OD - 21.80mm ID Inner Spring - 21.30mm OD - 15.60mm ID 97 lb seat pressure @ 40.40mm 17.70mm Max Net Lift 22.70mm Coil Bind 14.80 lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit Honda\/Acura K20A, K20A2, K20Z1, K20Z3, and K24A2 Engines.\u003c\/p\u003e\n\u003cp\u003eComplete set of 16 Dual Valve Springs, 16 Titanium Retainers, and Seat's\u003c\/p\u003e\n\u003cp\u003eThis Package Includes:\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs # SPR-TS1019D, Supertech Retainer part # RET-K20A2\/T2, and Seat part # SEAT-H1020D.\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Yes","offer_id":37467562344637,"sku":"SPRK-H1019D","price":539.99,"currency_code":"USD","in_stock":true},{"title":"No Thanks, Springs Only","offer_id":37467562377405,"sku":"SPRK-H1019D","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Performance_2016v_20Dual_20Springs_20and_20Titanium_20Retainers_20.jpg?v=1604710895"},{"product_id":"supertech-performance-dual-valve-spring-and-titanium-retainer-kit-for-the-honda-acura-k-series-k20-k24-engines-80lb","title":"Supertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda - Acura K Series (K20 \u0026 K24) Engines - 80lb","description":"\u003cp\u003eSupertech Performance Dual Valve Spring and Titanium Retainer Kit for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines - 80lb\u003c\/p\u003e\n\u003cp\u003eSPRK-H1022D - Supertech Dual Valve Springs - 80 lb Seat Pressure Kit Outer Spring - 30.00mm OD - 21.80mm ID Inner Spring - 21.00mm OD - 15.50mm ID 80 lb seat pressure @ 40.40mm 18.30mm Max Net Lift 22.00mm Coil Bind 11.20 lbs\/mm Rate\u003c\/p\u003e\n\u003cp\u003eWill Fit Honda\/Acura K20A, K20A2, K20Z1, K20Z3, and K24A2 Engines.\u003c\/p\u003e\n\u003cp\u003eComplete set of 16 Dual Valve Springs, 16 Titanium Retainer's, and Seat's This Package Includes: Supertech Performance Dual Valve Springs # SPR-H1022D, Supertech Retainer part # RET-K20A2\/T2, and Seat part # SEAT-H1020D.\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control. Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Yes","offer_id":37467562508477,"sku":"SPRK-H1022D","price":539.99,"currency_code":"USD","in_stock":true},{"title":"No Thanks, Springs Only","offer_id":37467562541245,"sku":"SPRK-H1022D","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_5512.jpg?v=1604710901"},{"product_id":"supertech-performance-titanium-retainers-for-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Titanium Retainers for Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance Titanium Retainers for Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003e*Note: To be used in conjunction with Supertech Valve Springs: SPR-H1019D, SPR-H1020D, SPR-H1021D, and SPR-1022D\u003c\/p\u003e\n\u003cp\u003e*Will Not Work with Factory Honda Valve Springs*\u003c\/p\u003e\n\u003cp\u003eTitanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fitment that will ensure long term durability. All Titanium Retainer sets include a complete set for your specific application. Be sure to check out our Valve spring retainer and valve packages and save!\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467562606781,"sku":"RET-K20A2\/T2-K","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3087.jpg?v=1604710906"},{"product_id":"supertech-performance-valve-stem-seals-for-honda-acura-k-series-k20-k20a-k20z-k24-k24a-engines","title":"Supertech Performance Valve Stem Seals for Honda - Acura K Series K20 K20A K20Z K24 K24A Engines","description":"\u003cp\u003eSupertech Performance Valve Stem Seals for Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003ePrice is per set of 16\u003c\/p\u003e\n\u003cp\u003eVS-H5.5I Intake Valve Seals x8 VS-H5.5E Exhaust Valve Seals x8\u003c\/p\u003e\n\u003cp\u003eHonda\/Acura K20A, K20A2, K20Z1, K20Z3, K24A2, K24A4, K24A8 Fitment\u003c\/p\u003e\n\u003cp\u003eSupertech Performance 5.5mm Viton Valve Stem Seals are reduced outer diameter valve seals, Perfect for those that are using Dual Valve Springs that may otherwise have valve spring clearance issues. Also a performance option for those that just need to install New Valve Stem Seals due to worn pieces.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467562672317,"sku":"SUP-VS-H5.5I\/E-K","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4033-01.jpg?v=1604710912"},{"product_id":"supertech-performance-steel-retainers-for-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Steel Retainers for Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSet of 16 Supertech Performance Steel Retainers for Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003e*Note: To be used in conjunction with Supertech Valve Springs: SPR-H1019D, SPR-H1020D, SPR-H1021D, and SPR-1022D*\u003c\/p\u003e\n\u003cp\u003e*Will Not Work with Factory Honda K Series Valve Springs*\u003c\/p\u003e\n\u003cp\u003eThese Retainers utilize the OEM Style 7 Degree Keepers - You can use your OEM or purchase the Supertech Billet Keepers. All Retainer sets include a complete set for your specific application. Be sure to check out our Valve spring retainer and valve packages and save!\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467563196605,"sku":"SUP-RET-HBK-ST-K","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_3091-01-01.jpg?v=1604710923"},{"product_id":"supertech-performance-standard-size-intake-exhaust-valve-set-for-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance Standard Size Intake \u0026 Exhaust Valve Set for Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance Standard Size Intake \u0026amp; Exhaust Valve Set for Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003eComplete Black Nitrided Intake and Exhaust Valve set\u003c\/p\u003e\n\u003cp\u003eIntake: HIVN-1020 Black Nitride Coated\u003c\/p\u003e\n\u003cp\u003eHead Diameter - 35.00mm Stem Diameter - 5.48mm Length - 108.85mm\u003c\/p\u003e\n\u003cp\u003eExhaust: HEVN-1020 Black Nitride Coated\u003c\/p\u003e\n\u003cp\u003eHead Diameter - 30.00mm Stem Diameter - 5.45mm Length - 108.85mm\u003c\/p\u003e\n\u003cp\u003e*Available in both (D) Dished and (F) Flat Faces, Please use the drop down menu below to select.*\u003c\/p\u003e\n\u003cp\u003eWe apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Dished","offer_id":37467563720893,"sku":"HIVN-1020D \/ HEVN-1020D","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Flat","offer_id":37467563753661,"sku":"HIVN-1020F \/ HEVN-1020F","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/HIVN-1020_20HEVN-1020_20_20_20_20.jpg?v=1604710929"},{"product_id":"supertech-performance-0-5mm-oversize-intake-std-size-exhaust-valve-set-for-the-honda-acura-k-series-k20-k20a-k20z-k24-k24a-engines","title":"Supertech Performance 0.5mm Oversize Intake \u0026 STD Size Exhaust Valve Set for the Honda - Acura K Series K20 K20A K20Z K24 K24A Engines","description":"\u003cp\u003eSupertech Performance 0.5mm Oversize Intake \u0026amp; STD Size Exhaust Valve Set for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003eHIVN-1021 - 0.5mm Oversize Intake Valve Head Diameter - 35.50mm Stem Diameter - 5.48mm Length - 108.85mm\u003c\/p\u003e\n\u003cp\u003eHEVN-1020 - Standard Size Exhaust Valve Head Diameter - 30.00mm Stem Diameter - 5.45mm Length - 108.65mm\u003c\/p\u003e\n\u003cp\u003e*Note: This is a complete set of 8 Intake and 8 Exhaust Valves, For the Honda\/Acura K20A, K20A2, K20Z1, K20Z3, and K24A2 Engines.*\u003c\/p\u003e\n\u003cp\u003eBlack Nitride is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese applications. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum). Surface finish is smoother than with chromed stems, having less friction between stem and guide. Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats). Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction. The nitrided layer is adhered to the base material at a microscopic level, so does not \"flake\" or break when the valves bend due to impacts with the pistons. The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem. All valves are swirl polished, have stem undercut and a hardened tip.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Dished","offer_id":37467564179645,"sku":"HIVN-1021 \/ HEVN-1021","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Flat","offer_id":37467564212413,"sku":"HIVN-1021 \/ HEVN-1021","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/Supertech_20Intake_20Exhaust_20Valves_20Set_20.jpg?v=1604710935"},{"product_id":"supertech-performance-1-0mm-oversize-intake-std-size-exhaust-valve-set-for-the-honda-acura-k-series-k20-k24-engines","title":"Supertech Performance 1.0mm Oversize Intake \u0026 STD Size Exhaust Valve Set for the Honda - Acura K Series (K20 \u0026 K24) Engines","description":"\u003cp\u003eSupertech Performance 1.0mm Oversize Intake \u0026amp; STD Size Exhaust Valve Set for the Honda \/ Acura K Series (K20 \u0026amp; K24) Engines\u003c\/p\u003e\n\u003cp\u003eHIVN-1022 - 1.0mm Oversize Intake Valve Head Diameter - 36.00mm Stem Diameter - 5.48mm Length - 108.85mm\u003c\/p\u003e\n\u003cp\u003eHEVN-1020 - Standard Size Exhaust Valve Head Diameter - 30.00mm Stem Diameter - 5.45mm Length - 108.65mm\u003c\/p\u003e\n\u003cp\u003e*Note: This is a complete set of 8 Intake and 8 Exhaust Valves, For the Honda\/Acura K20A, K20A2, K20Z1, K20Z3, and K24A2 Engines.*\u003c\/p\u003e\n\u003cp\u003eBlack Nitride is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese applications. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum). Surface finish is smoother than with chromed stems, having less friction between stem and guide. Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats). Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction. The nitrided layer is adhered to the base material at a microscopic level, so does not \"flake\" or break when the valves bend due to impacts with the pistons. The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem. All valves are swirl polished, have stem undercut and a hardened tip.\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Dished","offer_id":37467564638397,"sku":"HIVN-1022 \/ HEVN-1020","price":314.99,"currency_code":"USD","in_stock":true},{"title":"Flat","offer_id":37467564671165,"sku":"HIVN-1022 \/ HEVN-1020","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/IMG_4071.jpg?v=1604710942"},{"product_id":"supertech-performance-honda-acura-b-series-vtec-lost-motion-assembly","title":"Supertech Performance Honda - Acura B-Series VTEC Lost Motion Assembly","description":"\u003cp\u003eSupertech Performance Lost Motion Assemblies replace the failure prone factory hydraulic style LMA design with an improved spring type design commonly found in newer generation Honda engines. Replacing LMA's are recommended when installing aftermarket high-lift camshafts.\u003c\/p\u003e\n\n\u003cp\u003eSupertech Valvetrain has proven in a variety of motorsports applications from mild 150 horsepower street engines to 1000+ Horsepower race engines.  Don't be fooled by lesser quality valvetrain components, stick with Supertech and get the quality you deserve for your project that will fit right the first time and offer superior performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003eFor Honda \/ Acura B Series VTEC Engines (B16, B16A, B18C, B18C1, B18C5, Etc)\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467573223613,"sku":"LMA-HB","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/LMA-HB.jpg?v=1604711136"},{"product_id":"supertech-performance-bronze-valve-guide-seal-package-for-honda-acura-b-series-b16-b16a-b18-b18b-b18c-b20-engines","title":"Supertech Performance Bronze Valve Guide \u0026 Seal Package for Honda - Acura B Series B16 B16A B18 B18B B18C B20 Engines","description":"\u003cp\u003eSupertech Performance Bronze Valve Guide \u0026amp; Seal Package for Honda \/ Acura B Series (B16, B18, B20) Engines\u003c\/p\u003e\n\u003cp\u003e*This package contains Sixteen Manganese Bronze Valve Guides, Along with Eight Intake and Eight Exhaust Valve Seals.*\u003c\/p\u003e\n\u003cp\u003eSupertech Performance Valve Guides feature precision machining from high quality manganese bronze material. These guides in combination with our low friction black nitrided valves provides the best solution for performance and durability.\u003c\/p\u003e\n\u003cp\u003eSupertech Performance 5.5mm (VTEC Engines) or 6.6mm (Non VTEC Engines) viton valve stem seals are reduced outer diameter valve seals, Perfect for those that are using dual valve springs that may otherwise have valve spring clearance issues. Also a performance option for those that just need to install new valve stem seals due to worn pieces.\u003c\/p\u003e\n\u003cp\u003e*Please use the drop down menu below to select engine fitment.*\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"B Series VTEC (B16A, B18C1, B18C5)","offer_id":37467637514429,"sku":"SPRTCH-VG-VS-PKG","price":117.99,"currency_code":"USD","in_stock":true},{"title":"B Series Non VTEC (B18A, B18B, B20)","offer_id":37467637547197,"sku":"SPRTCH-VG-VS-PKG","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/supertechguidesseals.jpg?v=1604711937"},{"product_id":"supertech-performance-pistons-with-13-2-1-compression-ratio-87mm-bore-for-the-honda-acura-k24a1-k24a2-k24a4-and-k24a8-engines","title":"Supertech Performance Pistons with 13.2:1 Compression Ratio, 87mm Bore for the Honda - Acura K24A1, K24A2, K24A4, and K24A8 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 87.00mm Over Size: std Comp Ratio: 13.2:1 Volume CCs: 8 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.897\" Rod Length: 5.984\" Pin Diam: 22mm(.866\") Weight: 322\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK87-P8 Ring P\/N: GNH-8700\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467749351613,"sku":"P4-HK87-P8","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20.jpg?v=1604714545"},{"product_id":"supertech-performance-pistons-with-11-5-1-compression-ratio-87mm-bore-for-the-honda-acura-k24a1-k24a2-k24a4-and-k24a8-engines","title":"Supertech Performance Pistons with 11.5:1 Compression Ratio, 87mm Bore for the Honda - Acura K24A1, K24A2, K24A4, and K24A8 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 87.00mm Over Size: std Comp Ratio: 11.5:1 Volume CCs: -0.5 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.897\" Rod Length: 5.984\" Pin Diam: 22mm(.866) Weight: 227\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK87-N0 Ring P\/N: GNH-8700\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467749613757,"sku":"P4-HK87-N0","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Mid_20Comp-03.jpg?v=1604714551"},{"product_id":"supertech-performance-pistons-with-12-5-1-compression-ratio-87mm-bore-for-the-honda-acura-k24a1-k24a2-k24a4-and-k24a8-engines","title":"Supertech Performance Pistons with 12.5:1 Compression Ratio, 87mm Bore for the Honda - Acura K24A1, K24A2, K24A4, and K24A8 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 87.00mm Over Size: std Comp Ratio: 12.5:1 Volume CCs: 4.5 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.897\" Rod Length: 5.984\" Pin Diam: 22mm(.866\") Weight: 312\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK87-P4 Ring P\/N: GNH-8700\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467749646525,"sku":"P4-HK87-P4","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-07.jpg?v=1604714558"},{"product_id":"supertech-performance-pistons-with-12-5-1-compression-ratio-87-5mm-bore-for-the-honda-acura-k24a1-k24a2-k24a4-and-k24a8-engines","title":"Supertech Performance Pistons with 12.5:1 Compression Ratio, 87.5mm Bore for the Honda - Acura K24A1, K24A2, K24A4, and K24A8 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 87.50mm Over Size: +0.5 Comp Ratio: 12.5:1 Volume CCs: 4 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.897\" Rod Length: 5.984\" Pin Diam: 22mm(.866\") Weight: 315\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK875-P4 Ring P\/N: GNH-8750\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467753349309,"sku":"P4-HK875-P4","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-05.jpg?v=1604714578"},{"product_id":"supertech-performance-pistons-with-12-5-1-compression-ratio-88mm-bore-for-the-honda-acura-k24a1-k24a2-k24a4-and-k24a8-engines","title":"Supertech Performance Pistons with 12.5:1 Compression Ratio, 88mm Bore for the Honda - Acura K24A1, K24A2, K24A4, and K24A8 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 88mm Over Size: +1.0 Comp Ratio: 12.5:1 Volume CCs: 3.5 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.897\" Rod Length: 5.984\" Pin Diam: 22mm(.866\") Weight: 317\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK88-P4 Ring P\/N: GNH-8800\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467753906365,"sku":"P4-HK88-P4","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-08.jpg?v=1604714584"},{"product_id":"supertech-performance-pistons-with-11-2-1-compression-ratio-86mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 11.2:1 Compression Ratio, 86mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 86.00mm Over Size: Std (+0.02mm) Comp Ratio: 11.2:1 Volume CCs: 6.5 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866) Weight: 304\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK86-P6 Ring P\/N: GNH-8600\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467757183165,"sku":"P4-HK86-P6","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Mid_20Comp-01.jpg?v=1604714591"},{"product_id":"supertech-performance-pistons-with-11-2-1-compression-ratio-86-5mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 11.2:1 Compression Ratio, 86.5mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 86.50mm Over Size: +0.5mm Comp Ratio: 11.2:1 Volume CCs: 6.5 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866) Weight: 306 Piston\u003c\/p\u003e\n\u003cp\u003eP\/N: P4-HK8650-P6 Ring P\/N: GNH-8650\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467757609149,"sku":"P4-HK8650-P6","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Mid_20Comp.jpg?v=1604714597"},{"product_id":"supertech-performance-pistons-with-11-5-1-compression-ratio-87mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 11.5:1 Compression Ratio, 87mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 87.00mm Over Size: +1.0mm Comp Ratio: 11.5:1 Volume CCs: 8 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866) Weight: 322\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK87-P8 Ring P\/N: GNH-8700\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467758624957,"sku":"P4-HK87-P8-K20","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Mid_20Comp-02.jpg?v=1604714608"},{"product_id":"supertech-performance-pistons-with-9-1-1-compression-ratio-86mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 9.1:1 Compression Ratio, 86mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 86.00mm Over Size: Std (+0.02mm) Comp Ratio: 9:1 Volume CCs: -6 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 227\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK86-N6 Ring P\/N: GNH-8600\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467760689341,"sku":"P4-HK86-N6","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Low_20Comp.jpg?v=1604714615"},{"product_id":"supertech-performance-pistons-with-12-1-compression-ratio-86mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 12:1 Compression Ratio, 86mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 86.00mm Over Size: Std (+0.02mm) Comp Ratio: 12:1 Volume CCs: 11 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 314\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK86-P11 Ring P\/N: GNH-8600\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467762065597,"sku":"P4-HK86-P11","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-01.jpg?v=1604714622"},{"product_id":"supertech-performance-pistons-with-12-5-1-compression-ratio-86mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 12.5:1 Compression Ratio, 86mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 86.00mm Over Size: Std Comp Ratio: 12.5:1 Volume CCs: 11.4 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 295\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK-86-P15 Ring P\/N: GNH-8601\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467762819261,"sku":"P4-HK-86-P15","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-04.jpg?v=1604714628"},{"product_id":"supertech-performance-pistons-with-9-1-1-compression-ratio-86-50mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 9.1:1 Compression Ratio, 86.50mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 86.50mm Over Size: +0.5mm Comp Ratio: 9:1 Volume CCs: -6 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 281grs\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK8650-N6 Ring P\/N: GNH-8650\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467765211325,"sku":"P4-HK8650-N6","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20Low_20Comp-01.jpg?v=1604714638"},{"product_id":"supertech-performance-pistons-with-12-1-compression-ratio-86-50mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 12:1 Compression Ratio, 86.50mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks*\u003c\/p\u003e\n\u003cp\u003eBore: 86.50mm Over Size: +0.5mm Comp Ratio: 12:1 Volume CCs: 11 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 316grs\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK8650-P11 Ring P\/N: GNH-8650\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467765866685,"sku":"P4-HK8650-P11","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-02.jpg?v=1604714644"},{"product_id":"supertech-performance-pistons-with-12-5-1-compression-ratio-86-50mm-bore-for-the-honda-acura-k20a-k20a2-k20z1-and-k20z3-engines","title":"Supertech Performance Pistons with 12.5:1 Compression Ratio, 86.50mm Bore for the Honda - Acura K20A, K20A2, K20Z1, and K20Z3 Engines","description":"\u003cp\u003eSupertech Pistons are manufactured in Argentina with technology transferred from European manufacturers. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni \u0026amp; Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems. A 2 or 3 step forging process yields a fine structural grain oriented fibers in the same direction of the stresses. Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed \u0026amp; reamed pin bores for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.\u003c\/p\u003e\n\u003cp\u003e*Includes: Pistons, Rings, Wrist Pins, and Locks* Bore: 86.50mm Over Size: +0.5mm Comp Ratio: 12.5:1 Volume CCs: 11.4 Head CCs: 50.7 Comp Height: 1.181\"(30mm) Stroke: 3.386\" Rod Length: 5.472\" Pin Diam: 22mm(.866\") Weight: 309\u003c\/p\u003e\n\u003cp\u003ePiston P\/N: P4-HK8650-P15 Ring P\/N: GNH-8650\u003c\/p\u003e","brand":"Supertech Performance","offers":[{"title":"Default Title","offer_id":37467766096061,"sku":"P4-HK8650-P15","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/products\/ST_20High_20Comp_20-03.jpg?v=1604714651"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1537\/8365\/collections\/SupertechSpringKit..jpg?v=1608682481","url":"https:\/\/ipgparts.com\/collections\/supertech-performance.oembed?page=8","provider":"IPGparts","version":"1.0","type":"link"}