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The COMP Cams Magnum roller rocker for Pontiac V8 engines covers 265–455 applications with a 1.52 ratio and 7/16" stud fit. Constructed from 8620 chromemoly steel, the roller tip reduces friction while a stiff, accurate ratio improves valve lift. Intended for street performance with open spring pressures under 350 lb, it offers a premium replacement option stamped with the COMP Cams mark.
COMP Cams Magnum Roller Rocker Pontiac
