Precision Tool Room™ Valve Springs are test-proven for 1,000 racing miles, Isky These valve springs feature the highest quality alloy wire and trade-secret endurance processing. They are great for Super Modifieds, ARCA, Xfinity, Truck, Cup, and applications up to 8,800 RPM. Sold in sets of 16.
Valve Spring - Tool Room - Dual Spring / Damper - 475 lb/in Spring Rate - 1.160 in Coil Bind - 1.534 in OD - Set of 16 - Part Number: 9905
