Isky Cams Valve Springs (Natural-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.005"-1.430" O.D., .725"-1.070" I.D. H777C06 Silicone Rubber

Silicone Rubber

but also exhaust systems

1975-1981 Pontiac LeMans

Works with Hooker Cast Exhaust Manifolds - Additional Headers Will Also Be Available

on-board filter switch to allow direct connections to ECM speed signals

Isky Cams Valve Springs (Natural-Orange/Yellow) - Dual w/ Damper (Solid Cams) - 1.005"-1.430" O.D., .725"-1.070" I.D. H777C06 Silicone RubberIsky 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