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.

More From This Category

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Pontiac, Iron Duke 4 Cyl 1/2 in, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Pontiac, Iron Duke 4 Cyl 1/2 in, Kit

$154.42

ARP Rocker Arm Studs, High Performance, 3/8 in.-24 Thread, 1.595 in. Effective Stud Length, Kit

ARP Rocker Arm Studs, High Performance, 3/8 in.-24 Thread, 1.595 in. Effective Stud Length, Kit

$114.30

ARP Header Studs, 12-Point Nuts, Steel, Black Oxide, For Buick, 350-455, Set of 14

ARP Header Studs, 12-Point Nuts, Steel, Black Oxide, For Buick, 350-455, Set of 14

$109.23

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

$358.12

COMP Cams Rocker Stud, Magnum, Olds and For Dodge w/ 5/16 in. Base Thread and 3/8 in. Rocker Thread, Each

COMP Cams Rocker Stud, Magnum, Olds and For Dodge w/ 5/16 in. Base Thread and 3/8 in. Rocker Thread, Each

$13.07