Description PN: CCA-26921-KIT GM LS1 Dual Valve Spring Kit 0.650″ Valve Lift These high performance valve spring kits from COMP Cams have everything you need for a complete valve spring assembly. Springs, seats, retainers, and seals are included, along with complete instructions for a worry-free installation. STANDARD FEATURES Number of Springs Per Valve — Dual Outside Diameter of Outer Spring (in) — 1.300 in. Damper Spring Included — No Seat Load — 135lb. @ 1.770 in. Open Load — 400lb. @ 1.120 in. Spring Rate (lbs/in) — 408 lbs./in. Inside Diameter of Outer Spring (in) — 0.870 in. Inside Diameter of Inner Spring (in) — 0.655 in. Valve Spring Style — Standard Coated — No Retainers Included — Yes Retainer Material — Titanium Locks Included — No Quantity — Sold as a kit
