1GR 1GRFE 1GR-FE ARP Head Stud Kit
These Pro series 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 190,000 psi. The 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.
These are a must for high horsepower applications to keep the head on the block!!!