Isky Cams Tool Room Dual Spring / Damper Valve Spring - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16 711021 The benefit of a Hall-effect

The benefit of a Hall-effect pickup is there is no retard

red and white

1995-2011 Chevrolet Tahoe

Shutoff pressure pre-set at 8 psi

Isky Cams Tool Room Dual Spring / Damper Valve Spring - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16 711021 The benefit of a Hall-effectTest 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