ARP 240-3001 Ring Gear Bolt Kit for Chrysler 7 1/4˝ & 8 3/4˝ (1972 & earlier) 0.390 grip. 12pt ymm_9 710˝ Screw-in Diameter-Pitch 7/16-14 Fastener

710˝ Screw-in Diameter-Pitch 7/16-14 Fastener Style: Stud

Four carbon fibre tailpipes with titanium inners

Many parts in the headers are cast in the in-house foundry

however it fits both versions (OPF and non OPF)

ARP 240-3001 Ring Gear Bolt Kit for Chrysler 7 1/4˝ & 8 3/4˝ (1972 & earlier) 0.390 grip. 12pt ymm_9 710˝ Screw-in Diameter-Pitch 7/16-14 FastenerNow you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. The specially alloyed ARP 300 stainless steel and heat treated 8740 chrome moly bolts (black oxide finish) are nominally rated at 180, 000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. Whats more, you cant beat the gorgeous looks of ARPs specially polished stainless steel