Supertech Performance +0.5mm Over Size Intake & Exhaust Valve Set for Honda Civic D15 D16 & D17 SOHC VTEC Engines
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Supertech Complete 16 Valve Set, +0.5mm Over Size Intake & Exhaust Valves For Honda Civic SOHC VTEC Engines - D16Y7, D16Y8, D16Z6, D17A, D15B Engines Intake: HIVN-1002 Black Nitride Coated Head Diameter - 30.50mm Stem Diameter - 5.48mm Length - 118.50mm Exhaust: HEVN-1002 Black Nitride Coated Head Diameter - 26.50mm Stem Diameter - 5.45mm Length - 116.0mm 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.