Isky Cams Valve Springs (Red-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.000"-1.430" O.D., .730"-1.070" I.D. 3552024-13 Ferrea Racing Components are engineered

Ferrea Racing Components are engineered to excellence

3/4" 48-spline

1999-2016 GMC Sierra 1500

Steel Driver

Three Trap Door Baffles & Two Directional Oil Runners

Isky Cams Valve Springs (Red-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.000"-1.430" O.D., .730"-1.070" I.D. 3552024-13 Ferrea Racing Components are engineeredIsky 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