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A COMP Cams 3/8" adjusting nut that replaces the original adjuster nuts on Magnum roller-tip rocker assemblies. Offered as a service part for 3/8" stud Magnum rockers, the nut is part of a product family focused on secure locking and strength, pairing with polylocks that are designed for consistent clamping under moderate lift and spring pressure in stud-mounted valvetrain systems.
COMP Cams Rocker Arm Nut 3/8in
