KPMI, VALVE SPRING KIT. .655" LIFT. TITANIUM TOP COLLARS

KPMI, valve spring kit. .655" lift. Titanium top collars

High lift high pressure spring kit. Additional reduction of total valve train mass by the use of lightweight titanium upper collars. Great for high performance & racing performance builds. The dual springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes dual springs with internal damper to give a wider range of harmonic compatibility, upper collars, lower collars, valve keys and seals. Max valve lift: .655”. Installed height: 1.810". Seat pressure 185 lbs. Open pressure: 450 lbs. @ .655” valve lift.

Fits: > 84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU)