Mast Part Number:ARP-234-4317
6 Bolt: NO
Fastener Material:8740 chromoly
Fastener Finish:Black oxide
Cut to Fit:No
Quantity:Sold as a kit.
Notes:Fits engines with all same length studs.
Pro series cylinder head studs 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 220,000 psi. 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.