Description

Ultra Pro Magnum Rocker Arm Shaft Pair for 1621 Chrysler 383-440 B/RB Shaft KitMade 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.Individual shaft for 1621 shaft rocker system is available under 1077-1.