ARP 622-1750 SAE Bolt Kit 5/16-18 x 1.750 hex SS bolts ymm_33 which provides better resistance to

which provides better resistance to wear and metal fatigue than conventional threading before heat treatment

Supported Vehicles: PORSCHE 911/930 TURBO & 933 (M9)

Further control over the sound of the Evolution Line (Titanium) exhaust system can be achieved by installing the optional Akrapovič Sound Kit

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Over 45% weight reduction

ARP 622-1750 SAE Bolt Kit 5/16-18 x 1.750 hex SS bolts ymm_33 which provides better resistance toSpecifications Socket Size(s) 3 8 hex UHL 1. 750 Thread Length 1. 000 Grip Length 0. 750 Thread Diameter Pitch 5 16 18 Grip Diameter 5 16 Wrenching 3 8 Head Height 0. 300 Collar Diameter 0. 620