ARP header bolt kit for Chevrolet Big Block (12-point), 3/8

ARP bolt or stud kit for a specific engine. Threads are rolled after heat treatment, and the kit includes nuts and washers as listed in the catalogue.

• Thread: 3/8
• Material: ARP 8740 chrome moly steel
• Manufacturer description: BB Chevy & Ford 3/8″ 12pt header bolt kit
• Version: 12-point
• Manufacturer part number: 100-1202

Fits engines:

• Chevrolet Big Block

ARP (Automotive Racing Products, California) has made bolts and studs for racing engines since 1968. Threads are rolled after heat treatment for better fatigue strength.