ARP 742-1000 SAE Bolt Kit 3/8-24 x 1.000 12pt black oxide bolts ymm_32 Fits Following Engines: 326 CID

Fits Following Engines: 326 CID Pontiac V8

Thread cleaning chaser combo 1

but the results are well worth the extra effort

Installation Note: ECU remapping is mandatory when installing Akrapovic link pipes without catalytic converters

All 8740 chrome moly steel nuts are black oxide finished and all stainless steel nuts are polished to a briliant luster

ARP 742-1000 SAE Bolt Kit 3/8-24 x 1.000 12pt black oxide bolts ymm_32 Fits Following Engines: 326 CIDSpecifications Socket Size(s) 3 8 12pt UHL 1. 000 Thread Length 1. 000 Grip Length n a Thread Diameter Pitch 3 8 24 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620