Description
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 200,000 psi for the 8740 material and kits come complete with hardened parallel-ground washers.
Applications: 1994-2007 Mitsubishi 4G63 16 Valve Engines
11mm Studs
12-Point Nuts
