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.
SPECS
Fastener Style: Stud
Undercut Stud: No
Head Style: Hex
Fastener Material: 8740 chromoly
Fastener Finish: Black oxide
Washers Included: Yes
Cut to Fit: No
