ARP 664-1001 Metric Thread Bolt Kit M12 x 1.50 x 25 hex black oxide bolts ymm_1 They are combined with steel

They are combined with steel wheel nuts machined from billet and copper-plated to optimise screwing onto the studs even at the high temperatures resulting from prolonged use of the brakes in racing

Made from titanium – with some parts cast in Akrapovič’s own foundry – this system will reduce exhaust system's weight by over 45% and deliver extra power and lower backpressure

365˝ Collar Diameter ˝

This version features the classic cylindrical tailpipe design

ARP 664-1001 Metric Thread Bolt Kit M12 x 1.50 x 25 hex black oxide bolts ymm_1 They are combined with steelSpecifications Socket Size(s) 14mm hex UHL 25mm Thread Length 25mm Grip Length n amm Thread Diameter Spacing M12 x 1. 50mm Grip Diameter 12mm Wrenching 14mm Head Height 11. 7mm Collar Diameter 21. 6mm