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, For Pontiac, 3800 supercharged V6 (L67 Regal, SC Monte Carlo, Impala) (1999 & Later, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Pontiac, 3800 supercharged V6 (L67 Regal, SC Monte Carlo, Impala) (1999 & Later, Kit

$238.70

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Chevrolet SB, LT Series, 6.2L Gen V (LT1/LT4) ARP2000 w/ M8 corner bolts, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head, For Chevrolet SB, LT Series, 6.2L Gen V (LT1/LT4) ARP2000 w/ M8 corner bolts, Kit

$867.26

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford Flathead, 1938-48 (24 stud) V8 w/ Edelbrock #1125 Heads, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford Flathead, 1938-48 (24 stud) V8 w/ Edelbrock #1125 Heads, Kit

$1,001.29

ARP Valve Cover Studs, Stainless Steel, 12-Point, 1/4 in.-20, 1.500 in. UHL, Set of 14

ARP Valve Cover Studs, Stainless Steel, 12-Point, 1/4 in.-20, 1.500 in. UHL, Set of 14

$195.86