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 Ford 6 Cyl Truck, 240-300 , Holden 6 Cyl 149-202, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford 6 Cyl Truck, 240-300 , Holden 6 Cyl 149-202, Kit

$189.67

ARP Cylinder Head Stud, 12-point Head, High Performance, 8740 Black, 190000psi, Gen III LS Series SB (2003 & earlier), Kit

ARP Cylinder Head Stud, 12-point Head, High Performance, 8740 Black, 190000psi, Gen III LS Series SB (2003 & earlier), Kit

$434.17

ARP Cylinder Head Bolts, 12-point Head, High Performance, For Chevrolet BB, Mark V or Mark VI Block, late Bowtie, AFR & Heads, Kit

ARP Cylinder Head Bolts, 12-point Head, High Performance, For Chevrolet BB, Mark V or Mark VI Block, late Bowtie, AFR & Heads, Kit

$254.60