Cylinder Head Bolt Kit - Pro Series - 12 Point Head - Chromoly - Black Oxide - AFR Casting - Big Block Chevy - Kit

ARP Chevrolet Big Block Air Flow Research Casting 315/335/357 - Head Bolt kit

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Cylinder Head Bolts, 12-Point Head, Chevy, Big Block with Aftermarket Block, with AFR Heads, Kit

ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.