Comp Cams SPRING RETAINER KIT DUAL .550 BRIGGS GP965-KIT

The COMP Cams GP965-KIT is a dual valve spring kit designed for high-lift applications. It supports valve lifts up to .550 inches and is intended for use in Jr. Dragster, Drag Mini-Bike, and other applications making 30+ horsepower.

This kit features springs constructed from Chrome Silicon Steel. The outer springs have a wire diameter of 0.118 inches and an outside diameter of 0.970 inches, with a free-standing height of 1.355 inches. The inner springs have a wire diameter of 0.078 inches and a free-standing height of 1.496 inches. At a compressed height of 0.553 inches (coil bind), the spring pressure is over 170 lbs, with a seat pressure of 91 lbs and a pressure of 114 lbs at 0.800 inches.