Making Automotive Dreams a Reality. Mitsubishi Eclipse / Talon DSM. Mitsubishi Evo 8 / 9. Subaru BRZ / FR-S / GT-86. ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi–15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that …