Engines and Components› Camshafts and Valvetrain
COMP Cams
Nut 1621/1622 Chrysler 273-360, 383-440
SKU: C007 1321N-1
Easy — 1–2 hours
Description
Part #: 1321N-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 nut replaces the nut that comes with our 1621 and 1622 shaft-mount rocker systems for Chrysler 273-360 and 383-440.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
This replacement nut is designed for the Big Block Chrysler system (part #1321-16), which includes a special adjuster that allows the use of conventional ball-ended pushrods. It is compatible with Ultra Pro Magnum rocker arm series and features a shaft-style rocker stud diameter.
Fitment
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Specifications
| Brand | COMP Cams |
| Part Number | C007 1321N-1 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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