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This COMP Cams Ultra Pro Magnum 1.5 ratio left-side shaft-mount rocker replaces the left-oriented rockers in the 1621-16 Ultra Pro Magnum shaft-mount system for Chrysler 383-440 B/RB applications. Constructed for strength and service, it provides the shaft-mounted architecture required by high-rate valve trains and is finished for corrosion resistance. Confirm compatibility with your existing shaft kit before installation.
COMP Cams Ultra Pro Mag Rocker Chrysler BB
