COMP Cams Rocker Arm Adjusting Screw For 1

Made from SAE 8620 chromemoly Steel - Rocker bodies are heat-treated to obtain maximum strength and stiffness - Unique oil system lubricates all critical parts for long lasting service. - Big Block Chrysler system (part #1321-16) includes a special adjuster which allows the use of conventional ball ended pushrods. This adjuster screw replaces the screw that comes with our 1621 and 1622 shaft-mount rocker systems for Chrysler 273-360 and 383-440. 1 screw required per rocker. 16 screws required per engine.