ARP 640-4000 SAE Bolt Kit 1/4-20 x 4.000 12pt black oxide bolts ymm_37 Manufactured from special lightweight

Manufactured from special lightweight

The Akrapovic Slip-On (Titanium) delivers a dual-character configuration designed to enhance both performance and acoustic refinement

Fits Following Engines:  Suzuki 1

Cougar 1967-1970

200 rpm when tested on the Akrapovič dyno against a BMW M8 Competition with a stock M Sport exhaust system for comparison

ARP 640-4000 SAE Bolt Kit 1/4-20 x 4.000 12pt black oxide bolts ymm_37 Manufactured from special lightweightSpecifications Socket Size(s) 5 16 12pt UHL 4. 000 Thread Length 1. 000 Grip Length 3. 000 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515