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This COMP Cams Ultra Pro Magnum 1.5 ratio right-side shaft-mount rocker replaces the right-oriented rockers in the 1621-16 Ultra Pro Magnum shaft-mount system for Chrysler 383-440 B/RB engines. Provided as a direct replacement component, it supports higher spring rates and the system's oiling and adjuster features. Verify fitment with your shaft and spacer assembly prior to ordering.
COMP Cams Ultra Pro Mag Rocker Chrysler BB
