ARP 660-1011 Metric Thread Bolt Kit M6 x 1.00 x 70 hex black oxide bolts ymm_1 denser air to enter the

denser air to enter the engine

This system – with a pair of exhaust valves behind the rear mufflers to provide optimal control of the exhaust tones – delivers a unique sound that is distinctly deeper and sportier

Fits Following Engines: Ford 289-460 V8 (1985 & earlier)

Specifications Socket Size(s) 5/16 hex UHL 0

this performance upgrade enhances exhaust flow for sharper throttle response and increased power

ARP 660-1011 Metric Thread Bolt Kit M6 x 1.00 x 70 hex black oxide bolts ymm_1 denser air to enter theSpecifications Socket Size(s) 8mm hex UHL 70mm Thread Length 18mm Grip Length 52mm Thread Diameter Spacing M6 1. 00mm Grip Diameter 6mm Wrenching 8mm Head Height 6. 5mm Collar Diameter 11. 6mm