Isky Cams Single Spring/Damper Valve Spring - 280 lb/in Spring Rate - 0.970" Coil Bind - 1.340" OD - (Set of 12) AA0220BG2T57 adjustable to the thousandth (ideal

adjustable to the thousandth (ideal for throttle stops

GM Duramax 2001-04

Compact To Fit In Existing Hangers

3 in Offset Inlet

Right side replacement nose

Isky Cams Single Spring/Damper Valve Spring - 280 lb/in Spring Rate - 0.970" Coil Bind - 1.340" OD - (Set of 12) AA0220BG2T57 adjustable to the thousandth (idealProduct Description: Valve Spring Dual Spring 280 lb in Spring Rate 0. 970 in Coil Bind 1. 340 in OD Set of 12 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,