ARP 661-1013 Metric Thread Bolt Kit M8 x 1.25 x 80mm hex black oxide bolts ymm_46 ARP is the first to

ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+

Test gains achieved by the Akrapovič technicians in controlled conditions show both power and torque gains over the Porsche sport exhaust system of +8

such as the valve housing and an X-connection element in the muffler

This exhaust system is manufactured entirely from race-proven

ARP 661-1013 Metric Thread Bolt Kit M8 x 1.25 x 80mm hex black oxide bolts ymm_46 ARP is the first toSpecifications Socket Size(s) 10mm hex UHL 80mm Thread Length 22mm Grip Length 58mm Thread Diameter Spacing M8 x 1. 25mm Grip Diameter 8mm Wrenching 10mm Head Height 7. 4mm Collar Diameter 15. 0mm