ARP has recently released an upgraded head stud kit for the Scion FR-S and Subaru BRZ. All Pro Series ARP2000 studs are centerless ground, heat treated prior to thread rolling and machining, and are rated at 220,000 PSI. These fasteners deliver a 25% increase in tensile strength over the OEM Torque to Yield (TTY) head bolts. Optimum design, enhanced reliability and increased strength are the main attributes of ARP Pro Series fastener kits.
- (12) Head Studs
- (12) Parallel Ground Washers
- (12) 8740 Chrome-Moly Steel 12 Point Nuts
- (1) 1/2oz ARP Ultra-Torque Fastener Assembly Lubricant