ARP 134-3701 12-Point Cylinder Head Bolts Bolt Kit Gen 1 SBC Small Block Chevy

ARP 134-3701 Head Bolt Kit Chevrolet Small Block 12ptKit #: 134-3701 Specifications Socket Size(s) 1/2 12pt Cylinder Head Bolts, High Performance, 12-Point Head, 180,000 PSI, Chevy, Small Block, Kit Fastener Style: Bolt Undercut Stud: No Head Style: 12-point Fastener Material: Chromoly Fastener Finish: Black oxide Washers Included: Yes Cut to Fit: No 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.