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.
– Fastener Style: Bolt
– Head Style: Hex
– Fastener Material: Chromemoly
– Fastener Finish: Black oxide
– Washers Included: Yes
– Cut to Fit: No
– Quantity: Sold as a kit.