ARP Header Bolt - 3/8-16 in Thread - 1 in Long - Hex Head - Polished - Big Block Chevy - Set of 16 MT-GEN-BR-MM-RS 4 AN to 12 mm

4 AN to 12 mm Banjo

While we have huge investments in high tech machinery in order to manufacture all of our products in house our real assets are our employees combining for over a century of automotive experience

00-inch Mandrel-bent Tubing

Low-Intermediate Torque

Superior port finish for increased flow

ARP Header Bolt - 3/8-16 in Thread - 1 in Long - Hex Head - Polished - Big Block Chevy - Set of 16 MT-GEN-BR-MM-RS 4 AN to 12 mmARPs 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