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The COMP Cams Magnum roller rocker for Ford small-block Windsor is a 1.7 ratio, 3/8" stud rail-type rocker for 1968–1989 289–351W applications. Made from 8620 chromemoly steel with a roller tip to reduce friction, it offers stiffer ratio accuracy and is intended for street use with spring pressures under 350 lb. This rocker is presented as a direct replacement that improves valve lift and longevity.
COMP Cams Magnum Roller Rocker Ford SB
