The ARP 250-4206 Inner Row Head Bolts for your 03-07 Ford 6.0L Powerstroke are designed to be an add-on to the extremely popular 250-4202 head stud kit and helps complete the factory bolt torque sequence. These ARP High Performance Series bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining and rated at 180,000 psi tensile strength. Optimum design, enhanced reliability and increased strength are the main attributes of ARP’s High Performance Series fastener kits. Kit includes a set of ten (M8 inner row) head bolts, ten washers and a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant.