Isky Cams 1.570 Valve Springs M59XL1 Closed End

Closed End

Create a HushMat install that looks like a professional job with the Hush Pro Roller

All of our torque converters are carefully inspected to insure you the best quality product available

Includes 1/4 NPT Adapter Bushing

350" long Hi-Tech 5/16" diameter pushrods are 17% stiffer than

Isky Cams 1.570 Valve Springs M59XL1 Closed EndProduct 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