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These COMP Cams adjusting nuts replace the factory nuts on adjustable Ultra Pro Magnum rocker arms for GM LS1/LS2/LS6 and LS3 engines. Presented alongside High Energy and Magnum polylock guidance, the nuts are intended where strong locking force and compatibility with LS-series adjustable rocker hardware are required for moderate lift and spring pressure applications.
COMP Cams Adjusting Nuts GM LS1 3/8
