Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) 91101 Universal plastic cap has a

Universal plastic cap has a simulated carbon fiber look and is wide enough to fit extended and 2-piece dirt roofs

Unique design eliminates timing movement throughout rpm range

Fits all 2" Belts

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

Small Block Chevy / Big Block Chevy

Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) 91101 Universal plastic cap has aProduct 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