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 Resists False Triggering

Resists False Triggering

Wideband Pro

2001-2009 GMC Sierra 1500

Valve Lock

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 Resists False TriggeringIsky 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