Isky Cams Precision Tool Room Dual Valve Springs (Gold) - 1.560" O.D., .820" I.D. YA0653 23 x 13 x 10

23 x 13 x 10

specially coated 2-mil plastic for a tight

5-inch wheelbases

Ford: F-350 Super Duty 20-22

Best warranty in the industry

Isky Cams Precision Tool Room Dual Valve Springs (Gold) - 1.560" O.D., .820" I.D. YA0653 23 x 13 x 10Test 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