Isky Cams Valve Springs (Red-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.000"-1.430" O.D., .730"-1.070" I.D. Pedal Assemblies 2001-2009 GMC Sierra 1500

2001-2009 GMC Sierra 1500

1985-1986 Pontiac Fiero

For AFCO 19

Adjustable Axle Gear Ratio

Manifold has provisions for external water bypass and may be used on either Vortec blocks or 1995 and earlier blocks

Isky Cams Valve Springs (Red-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.000"-1.430" O.D., .730"-1.070" I.D. Pedal Assemblies 2001-2009 GMC Sierra 1500Isky Valve Springs are world famous for their reliability and long life. 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 in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train components, Isky maintains a continuous engine