Isky Cams 1.570 Valve Springs RS003C0813 Base features internally baffled ventilation

Base features internally baffled ventilation system

Holley's GM Muscle Series air cleaner kit can be the perfect addition to your engine bay if you are searching for a subtly custom variation from the OEM options

Also fits 71-76 Impala spindle

Mechanical / Liquid Filled Gauges

1" x 2" steel frame tubing with main rails drilled for rear axle

Isky Cams 1.570 Valve Springs RS003C0813 Base features internally baffled ventilationProduct Description: Valve Spring RAD 9000 Dual Spring Damper 570 lb in Spring Rate 1. 130 in Coil Bind 1. 570 in OD Set of 16 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