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Supertech Black Nitrated Intake Valve Set of 6

Toyota GR Yaris GXPA16/GR Corolla GZEA14 G16E-GTS

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$279.95

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Description

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.

 

STAINLESS STEEL VALVES:

Our intake valves are made exclusively from an enhanced version of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures. Some applications call for us to harden certain areas such as the tips and or the seats. For these applications we will often times weld other hard metal alloys to the valve for increased durability.

Black Nitride Coating

This is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life. Please see below for more benefits of our Black Nitride valves.

Technical Specifications

  • Head Diam: 32.8mm
  • Material: Black Nitride
  • Length: 113.6mm
  • Stem Diam: 5.48mm

Fitment Table