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The ARP Perma-Loc adjustable 3/8 12-point rocker arm nut kit is an adjustable nut set sized for 3/8-inch rocker arm studs with a 12-point head. It’s intended for securing and adjusting rocker arm hardware during valvetrain assembly or maintenance. Use the kit when replacing rocker arm fasteners and follow correct torque and adjustment procedures to maintain proper valvetrain function.
ARP Perma-Loca c adjustable 3/8 12pt rocker arm nut kit
