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.

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ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford SB, Boss 302 (M6010) For Ford Racing block w/ 351C Iron Heads, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford SB, Boss 302 (M6010) For Ford Racing block w/ 351C Iron Heads, Kit

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