Isky Cams Valve Springs - Dual w/Damper - Color Code: Natural/Yellow - Outer O.D./I.D.: 1.005"/1.430" - Inner O.D./I.D: .725"/1.115" H778C42XS 1979-1990 GMC K1500

1979-1990 GMC K1500

Deliver CDI-like spark energy-No CDI Module needed

(1/2) Female NPT Inlet -10AN Bulkhead Outlet 2

71 gph at 4 psi

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Isky Cams Valve Springs - Dual w/Damper - Color Code: Natural/Yellow - Outer O.D./I.D.: 1.005"/1.430" - Inner O.D./I.D: .725"/1.115" H778C42XS 1979-1990 GMC K1500Isky has valve springs for street or all out competition in single, dual, and multi coil designs. 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