ARP Bolt - 4.000" Long - 3/8" 12 Point Head - Chromoly - Black Oxide - Universal - (Set of 5) R07C152XL Threads on the heat treated

Threads on the heat treated Perma-Loc Adjusters are machined exactly perpendicular to the adjuster bottom

Angled Chest Zipper & Button Enclosure allows space for sponsorship names

310 in Bore

G-FORCE Pro Force Pro Crew DOT helmet was designed with all the same great technology as our 3000 Series helmet line

ARP Bolt - 4.000" Long - 3/8" 12 Point Head - Chromoly - Black Oxide - Universal - (Set of 5) R07C152XL Threads on the heat treatedProduct Description: Bolt 5 16 18 in Thread 4 in Long 3 8 in 12 Point Head Chromoly Black Oxide Universal Set of 5 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.