Supertech - Dual Valve Springs 85/210

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.

Dual Valve Springs

Seat Pressure: 85 @ 33.5

Open Pressure: 210 @ 10

Max Lift: 15.00mm

Coil Bind: 18.50mm

Outer Spring OD: 30.20mm

Outer Spring ID: 22.20mm

Inner Spring OD: 22.20mm

Inner Spring ID: 16.80mm

Rate: 12.5

ENGINES

B16A, B17A, B18C1, B18C5, K20A2, K24A2, K24Z7 DOHC VTEC

M42, S42

KA24DE DOHC

FA20, FA20F (DIT)

FR-S 4U-GSE