ARP Cam Bolt Kits | Multiple Ford Fitments (251-1002)Cam Bolt Kit by ARP End your camshaft timing worries! High quality ARP cam bolts have increased preload clamping force to ensure positive timing gear register. Their increased material strength overcomes valvetrain harmonics and stress. These cam bolts have a reduced head size that makes installation and removal easier. They are available in 170,000 psi high performance kits and 190,000 psi Pro series kits. Features Fastener Material: Chromoly