COMP Cams Inside Valve Spring Locator - 0.060 in Thick - 1.300 in OD - 0.520 in ID - 0.670 in Spring ID - Set of 16 35453BU Rib Protector

Rib Protector

1979-1985 GMC C2500

Individual Shoulders

GM Type II

Oldsmobile:Small-Block:307 (5

COMP Cams Inside Valve Spring Locator - 0.060 in Thick - 1.300 in OD - 0.520 in ID - 0.670 in Spring ID - Set of 16 35453BU Rib ProtectorMade from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4873 features a 1. 300" OD and a . 520" ID. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a