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This set of COMP Cams Hi‑Tech polylocks contains 16 adjusting nuts for 1/2" studs, designed for Ultra Pro Magnum and Ultra Pro Magnum XD rockers. Intended for high-end race use, the polylocks secure rocker stud adjustments to help maintain valve train geometry under hard use. Supplied as a matched set, they provide the same fit and function as the single-piece offering for complete rocker installations.
COMP Cams Poly Locks 1/2in Hi-Tech Set
