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 R100032XL Pit Stop USA offers G-Force

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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 R100032XL Pit Stop USA offers G-ForceTest 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