351w head bolt kit 1/2" Head bolt kits made tough in the U.S.A.
Cylinder Head Bolts, High Performance, Hex Head, Ford 351 Windsor, 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.