sb head bolt kit hex Head bolt kits made tough in the U.S.A.
Cylinder Head Bolts, High Performance, Hex Head, Ford 289-302, Kit
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.