Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) 91101 Number 168

Number 168

Small Block Chevy / Big Block Chevy

Rectangular

3/4-10 in Thread Locknuts

The application should be focused on smaller cubic inch Big Blocks (396-502ci)

Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) 91101 Number 168Product Description: Valve Spring Outer 260 lb in Spring Rate 0. 720 in Coil Bind 1. 095 in OD Set of 8 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, Isky