ARP Pro Series Cylinder Head Bolt Kits (5.7L/6.1L/6.4L HEMI Engines)

These Pro series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. All Pro Series head bolts have a reduced wrenching hex or 12-point head. Kit comes complete with hardened parallel washers for even load distribution and accurate torque readings.

PN 147-3901