ARP 721-4000 SAE Bolt Kit 1/4-28 x 4.000 hex SS bolts ymm_22 3800 1955-1958

3800 1955-1958

The Akrapovic Slip-On Line (Titanium) represents the initial stage of exhaust system tuning and is designed for direct installation onto the original exhaust system of the Porsche 911 GT3 and GT3 RS (991

ARP 12-point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements

ECE type approval is valid for cars equipped with an OPF (Otto Particulate Filter)

Electra 1986-1987

ARP 721-4000 SAE Bolt Kit 1/4-28 x 4.000 hex SS bolts ymm_22 3800 1955-1958Specifications Socket Size(s) 5 16 hex UHL 4. 000 Thread Length 1. 000 Grip Length 3. 000 Thread Diameter Pitch 1 4 28 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515