ARP 743-4250 SAE Bolt Kit 7/16-20 x 4.250 12pt black oxide bolts ymm_16 Wrench Size: 19

Wrench Size: 19

The system achieves over 45% weight reduction compared to the stock exhaust

571˝) Wheel Stud Hole Size - Aluminum Hub 0

Offering an increased weight savings in the area behind the engine and the rear axle

An additional original Porsche stock bracket (Porsche p/n: 99111147391) is required for mounting the Akrapovič exhaust system

ARP 743-4250 SAE Bolt Kit 7/16-20 x 4.250 12pt black oxide bolts ymm_16 Wrench Size: 19Specifications Socket Size(s) 7 16 12pt UHL 4. 250 Thread Length 1. 250 Grip Length 3. 000 Thread Diameter Pitch 7 16 20 Grip Diameter 7 16 Wrenching (reduced) 7 16 Head Height 0. 400 Collar Diameter (reduced) 0. 670