Supertech Performance +1.0mm Oversize Intake & Exhaust Valve Set for Toyota 4AGE 20v Engines
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Supertech Performance +1.0mm Oversize Intake & Exhaust Valve Set for Toyota 4AGE 20v Engines Complete Black Nitrided Intake and Exhaust Valve set Toyota 4AGE 20v Silver or Black Top Engines Intake: TIVN-1018 Head Diam: 27.50mm (+1.0) Stem Diam: 4.96mm Length: 98.6mm Valve Type: Intake Quantity: 12 Exhaust: TEVN-1018 Head Diam: 27.00mm (+1.0) Stem Diam: 4.97mm Length: 108.40mm Material: Black Nitrided Valve Type: Exhaust Quantity: 8 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.