Supertech Black Nitrided SS STD Intake & Exhaust Valves Set Civic R18A1

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 its is no wonder why Supertech has some of the best performance products on the market.

While this is more than most manufactures 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.