Fasteners

ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to...

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're 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...

The studs are designed with a radiused head to position the bellhousing and accept nuts without the fear of cross-threading. There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as...