Supertech - Black Nitride Intake / Exhaust Valves - B18/B20 LS

Supertech apply more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine that 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.

Intake Valves

Head Diameter: 31.00mm(std) Dish

Material: Stainless Steel 21-4N

Groove Type: Single Groove

Length: 105.4mm

Stem Diameter: 6.57mm

Exhaust Valves

Head Diameter: 28.00mm(std) Dish

Material: Stainless Steel 23-8N

Groove Type: Single Groove

Length: 105.80mm

Stem Diameter: 6.55mm

ENGINES

B18A, B18B, B20