- TYPE: Dual Spring
- PRESS.SEAT: 92 @40.40mm
- MAX NET LIFT: 14.90mm
- COIL BIND: 25.50mm
- RETAINER: RET-K20A2/T2
- SPRING : SPR-H1021D
- SEAT LOCATOR : SEAT-H1020DS
Supertech dual valve springs are designed and manufactured to reduce valvetrain harmonics, increase durability, and provide an increase in performance for your high performance racing engine. All of Supertech dual valve springs are manufactured using superclean chrome silicon vanadium alloy and then heat treated, stress relieved and shoot peened to help improve the fatigue life of the spring.
Supertech offers CNC machined retainers manufactured from high strength and hardened aerospace certified titanium alloy. Designed to add strength while offering weight reduction, all of our titanium retainers are finished to precise tolerances.