Isky Cams Tool Room Dual Spring / Damper Valve Spring - 470 lb/in Spring Rate - 1.160 in Coil Bind - 1.534 in OD - Set of 16 NPT O-Ring to Hose Barb Fittings Heat treating with rolled threads

Heat treating with rolled threads for superior form and strength

and when it heats up to the specified temperature it is shut closed and all of it is forced to go through the cooler

Fuse / Terminals

Kevko 7-3/4 to 8 in Deep Pans

Isky Cams Tool Room Dual Spring / Damper Valve Spring - 470 lb/in Spring Rate - 1.160 in Coil Bind - 1.534 in OD - Set of 16 NPT O-Ring to Hose Barb Fittings Heat treating with rolled threadsTest proven for 1000 racing miles, Precision Tool Valve Springs feature the highest quality alloy wire and trade secret endurance processing. Great for Super Modifieds, ARCA, Grand National, NASCAR Trucks, Cup and applications up to 8800 RPM. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily