COMP Cams Valve Spring Locator - Inside - 0.060" Thick - 1.660" OD - 0.570" ID - Steel - Black Oxide (Set of 16) R03P003XL Duration 283 / 303

Duration 283 / 303

and a silicone eye port gasket to seal out dust and dirt

1983-1986 Pontiac Bonneville

TIG-welded chrome-moly tube adapter

Note: Dimensions listed are from hub face to hub face

COMP Cams Valve Spring Locator - Inside - 0.060" Thick - 1.660" OD - 0.570" ID - Steel - Black Oxide (Set of 16) R03P003XL Duration 283 / 303Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4669 seat's 1. 420" OD works well with our 7245 dual conical spring in applications with a . 570" OD guide. 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