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 AA0710AF2T 2-3/8 in Thick

2-3/8 in Thick

1-1/8 in Hex Drive

ONE SWITCH DOES IT ALL

Holley 4160 / Quick Fuel Slayer Series

Lincoln and Mercury C4 and C6 automatic transmissions with a reverse valve body

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 AA0710AF2T 2-3/8 in ThickTest 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