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 Bolts, 12-point Head, Pro-Series, For Chrysler BB, 426 factory Hemi & Mopar 426-472-528 Hemi Crate Motor, Kit

ARP Cylinder Head Bolts, 12-point Head, Pro-Series, For Chrysler BB, 426 factory Hemi & Mopar 426-472-528 Hemi Crate Motor, Kit

$525.67

ARP Valve Cover Bolts, Stainless Steel, Polished, 12-Point Head, 1/4 in.-20, 1.170 in. Thread Length, Set of 14

ARP Valve Cover Bolts, Stainless Steel, Polished, 12-Point Head, 1/4 in.-20, 1.170 in. Thread Length, Set of 14

$190.57

Trick Flow Cylinder Head Bolt Kit, Hex Head, Chromoly Steel, Black Oxide, Torque-to-Yield, For Ford 4.6L 2V/4V, Each

Trick Flow Cylinder Head Bolt Kit, Hex Head, Chromoly Steel, Black Oxide, Torque-to-Yield, For Ford 4.6L 2V/4V, Each

$130.47

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Chevrolet 4 & 6 Cyl, 4.3L 90 V6 w/ For Oldsmobile 14 Heads, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Chevrolet 4 & 6 Cyl, 4.3L 90 V6 w/ For Oldsmobile 14 Heads, Kit

$364.76