ARP 663-1012 Metric Thread Bolt Kit M10 x 1.25 x 100 hex black oxide bolts ymm_75 For OPF: When installing the

For OPF: When installing the Akrapovič Evolution link pipe set

The inner side of the tailpipes features a dynamic relief surface for increased aesthetic value

It provides precise control over boost pressure

Far superior to any other main bolts available for use in competition engines

enhanced throttle response

ARP 663-1012 Metric Thread Bolt Kit M10 x 1.25 x 100 hex black oxide bolts ymm_75 For OPF: When installing theSpecifications Socket Size(s) 12mm hex UHL 100mm Thread Length 26mm Grip Length 74mm Thread Diameter Spacing M10 x 1. 25mm Grip Diameter 10mm Wrenching 12mm Head Height 9. 0mm Collar Diameter 18. 5mm