All ARP Pro Series Head Bolt Kit’s for the Toyota Supra 7MG(T)E are cold-forged to guarantee molecular integrity. ARP Pro Series Head Bolt Kit are also heat-treated prior to thread rolling and machining, and are rated nominally at 200,000psi. ARP Pro Series Head Bolt Kits are application specific and designed for use with typically competition only components in Toyota Supra 7MG(T)E applications.
The ARP Pro Series Head Bolt Kit fasteners deliver premium strength and meet the ARP “ZERO defect-ZERO failure” quality standard. The ARP Pro Series Head Bolt Kit for the Toyota Supra 7MG(T)E include hardened and parallel-ground washers with each kit to ensure even load distribution and accurate torque readings.
All Pro Series head bolts have a reduced wrenching hex or 12-point head and wide area flange to eliminate the need for valve train removal on the Toyota Supra 7MG(T)E for cylinder head re-torqueing and permits the use of larger diameter valve springs. Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets.