ARP Header Bolt - 3/8-16 in Thread - 1 in Long - 12 Point Head - Polished - Big Block Chevy - Set of 16 JA100020 NOTE: When used with pans

NOTE: When used with pans with notch in power pouch for starter clearance

Annular Boosters

343'' 12-bolt flange

Precision ground 52100 bearing steel race ensures long life and ultra-smooth operation

ARP Header Bolt - 3/8-16 in Thread - 1 in Long - 12 Point Head - Polished - Big Block Chevy - Set of 16 JA100020 NOTE: When used with pansARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Header Bolt 3 8 16 in