ARP 613-1500 SAE Bolt Kit 3/8-16 x 1.500 12pt SS bolts ymm_18 ARP 12-point nuts are available

ARP 12-point nuts are available in 1-piece bulk

Precision rolled threads prevent galling while promoting more consistent torque loading

Features two central link pipes for optimal exhaust flow

which is then replaced by the Akrapovič Evolution Line system

With a distinctive sound as you shift through the gears

ARP 613-1500 SAE Bolt Kit 3/8-16 x 1.500 12pt SS bolts ymm_18 ARP 12-point nuts are availableSpecifications Socket Size(s) 3 8 12pt UHL 1. 500 Thread Length 1. 000 Grip Length 0. 500 Thread Diameter Pitch 3 8 16 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620