Fits: 5.7L, 6.1L, 6.2L, 6.4L Cylinder Head Studs, Pro Series, 12-Point Heads, Kit Fastener Style: Stud Undercut Stud: No Head Style: 12-point Fastener Material: 8740 chromoly Fastener Finish: Black oxide Washers Included: Yes Cut to Fit: No Quantity: Sold as a kit. ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.




