ARP 670-1009 Metric Thread Bolt Kit M6 x 1.00 x 60 12pt black oxide bolts ymm_59 This provides a more even

This provides a more even clamping force on the head

Type: Standard

12-Point Case Bolt Kit by ARP

When installing the Akrapovič Evolution Header Set (Titanium) on vehicles without particulate filters

The change in performance is a noticeable factor: compared in back-to-back runs on the Akrapovič dyno against a BMW M135i using a standard stock exhaust

ARP 670-1009 Metric Thread Bolt Kit M6 x 1.00 x 60 12pt black oxide bolts ymm_59 This provides a more evenSpecifications Socket Size(s) 8mm 12pt UHL 60mm Thread Length 18mm Grip Length 42mm Thread Diameter Spacing M6 1. 00mm Grip Diameter 6mm Wrenching 8mm Head Height 6. 5mm Collar Diameter 11. 6mm