Isky Cams RAD-9000 Valve Spring Dual Spring/Damper 550 lb/in Spring Rate 1.150" Coil Bind - 1.570" OD RS004C1515 CRA Super Series and PASS

CRA Super Series and PASS North/South competitors

NPT connection makes installation easy

when delivered

Lightweight 1-1/2" x

Isky Cams RAD-9000 Valve Spring Dual Spring/Damper 550 lb/in Spring Rate 1.150" Coil Bind - 1.570" OD RS004C1515 CRA Super Series and PASSProduct Description: Valve Spring RAD 9000 Dual Spring Damper 550 lb in Spring Rate 1. 150 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