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The ARP adjustable 7/16-inch Perma-Loc 12-point rocker arm nut kit supplies a set of precision fasteners intended to secure rocker arms in compatible engines. These Perma-Loc nuts allow fine adjustment and reliable clamping where factory hardware is replaced. The configuration supports correct rocker clamp torque and repeatable assembly for valve train service or rebuilds.
ARP Adjustable 7/16 12pt Perma-Loc Rocker Arm Nut Kit
