Install an ARP cam bolt kit and end your camshaft timing worries ARP quality delivers increased pre-load clamping force and assures positive timing gear register. Includes appropriate fasteners for your application. Increased material strength overcomes valve train harmonics and stress. Added features include oversized bolt head flange for cam button retention and reduced socket head size to facilitate easy installation and removal. Available in both High Performance and Pro Series kits. Cam Retainer Plate Bolt Kit Pro Series 2Pieces Size 7/16 Thread 1/4-20 UHL 0.75