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The COMP Cams Magnum Roller Rail-Type Rocker Arm for Ford small-block Windsor engines ('68–'89) is a rail-style unit sized for 3/8" studs with a 1.6:1 ratio. Forged from 8620 chromemoly steel and fitted with a roller tip, it reduces friction and resists flex while improving valve lift accuracy. Specified for 289–351W applications, these rockers are offered as a durable street upgrade for compatible Ford Windsor engines.
COMP Cams Magnum Roller Rocker Ford SB
