SUPERTECH H1021D Valve Springs SET (K/F-serie engines)

SUPERTECH valve springs are made of an extreme pure chrome-silicon-vanadium-steel alloy to assure a very good durability for performance motors with high revolutions. They are developed with the use of computer simulations to prevent material fatigue under extreme conditions. The SUPERTECH holder/retainers are made of a certified titanium alloy and CNC milled for the perfect fit to provide a long durability.

Specifications:

Type: Dual Spring Press.Seat: 95 @40.40mm Max Lift: 17.70mm Coil Bind: 22.70mm Rate: 13.20 lbs/mm Retainer: RET-K20A2/T2 (not included) Spring : SPR-H1021D Seat Locator : SEAT-H1020DS (not included) This is a full kit for 16 valves.