comp cams rocker arm stud girdle nut, roller rockers for 7/16 in. stud ultra pro magnum rockers

COMP Cams rocker arm adjusting nuts are designed for the ultimate in strength and locking force. They are precision-ground for minimum runout and are tapered for extra strength in the locking area. The special alloys in the polylocks ensure a quality and strength not found in any other competitive products.