Isky Cams Endurance Plus Dual Valve Springs (Natural/Silver/Orange) - 1.560" O.D. 112000 1980-1982 Checker Marathon

1980-1982 Checker Marathon

The 4776 features a 1

Use with compression ratios up to 10

1955-1957 Chevrolet Bel Air

Reduces Brake Line SwellClamp-On Hose Fitting

Isky Cams Endurance Plus Dual Valve Springs (Natural/Silver/Orange) - 1.560" O.D. 112000 1980-1982 Checker MarathonTest proven for 850 racing miles, Endurance Plus Springs featue a higher alloy outer spring "Plus" special processing for increased durability. Excellent for use in Sprint Cars, Super Modifieds, Super Late Models, Road Racing and applications up to 8400 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