ARP 135-3601 Cylinder Head Bolts High Performance Chevy Big Block

 

Description:

These ARP High Performance series head bolt kits are tough! They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They are available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads. All kits include hardened parallel-ground washers.