Isky Cams 1.600 Dual RAD Valve Springs Longacre Racing Products Shoulder allows belt to pivot

Shoulder allows belt to pivot as needed and accepts 3/8" seat belt mounting hardware

Assembly includes cable

E-350 Super Duty

Finish: Satin Black Machined

rigid design may increase spline wear

Isky Cams 1.600 Dual RAD Valve Springs Longacre Racing Products Shoulder allows belt to pivotProduct Description: Valve Spring RAD 9000 Dual Spring Damper 810 lb in Spring Rate 0. 850 in Coil Bind 1. 600 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