ARP High Performance Series Cylinder Head Bolt Kits, Cylinder Head Bolts, High Performance, Hex Head, 1/ 2 in., AMC, 343-401, Kit

Cylinder Head Bolts, High Performance, Hex Head, 1/ 2 in., AMC, 343-401, Kit

Head bolt kits made tough in the USA.
These ARP High Performance series head bolt kits are tough! They are rated at 170,000 psi--15 percent stronger than Grade 8 fasteners. They come available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads.