COMP Cams Rocker Arm 12Pt Nut For 1321 - 1321N-1

Replacement Nut for 1621/1622 Chrysler 273-360, 383-440 Shaft Mount Rocker Kit

This adjuster nut replaces the nut that comes with our 1621 and 1622 shaft-mount rocker systems for Chrysler 273-360 and 383-440.

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.

• Made from SAE 8620 chromemoly steel and heat-treated for maximum strength and stiffness
• Unique oil system oils all critical parts for long-lasting service
• Systems include a special adjuster which allows the use of conventional ball end pushrods
• Designed to handle roller lobes and higher spring rates
• Made from SAE 8620 chromemoly steel and heat-treated for maximum strength and stiffness
• Unique oil system oils all critical parts for long-lasting service
• Systems include a special adjuster which allows the use of conventional ball end pushrods
• Designed to handle roller lobes and higher spring rates
• Contain proprietary bushing inserts