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, 12-point Head, U/C StudsFor BMW, 2.3L, 4 Cyl, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head, U/C StudsFor BMW, 2.3L, 4 Cyl, Kit

$301.14

ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet 6 Cyl, 90 V6 w/ 18 standard port, Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet 6 Cyl, 90 V6 w/ 18 standard port, Kit

$205.24

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Ford BB, 390-428 FE series w/ Blue Thunder Heads, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Ford BB, 390-428 FE series w/ Blue Thunder Heads, Kit

$380.80

ARP Header Studs, Hex Nuts, Custom 450, Black Oxide, For Buick 3.8L, Set of 12

ARP Header Studs, Hex Nuts, Custom 450, Black Oxide, For Buick 3.8L, Set of 12

$88.96

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Pontiac, Super Duty 4 Cyl w/ Iron Duke in. Head, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Pontiac, Super Duty 4 Cyl w/ Iron Duke in. Head, Kit

$154.42