Cylinder Head Bolts, Pro Series, Hex Head, Chevy, 4.8, 5.3, 5.7, 6.0L, 2004 and Newer, Kit
The 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. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.