ARP Header Bolt - 3/8-16 in Thread - 1 in Long - 12 Point Head - Polished - Small Block Chevy - Set of 12 Oxygen Sensor Fully shot-peened surfaces for improved

Fully shot-peened surfaces for improved fatigue strength

ID - 19 in

For sanctioning bodies that mandate the use of a "stock appearing" converter

instructions and a plexiglass plate

ARP Header Bolt - 3/8-16 in Thread - 1 in Long - 12 Point Head - Polished - Small Block Chevy - Set of 12 Oxygen Sensor Fully shot-peened surfaces for improvedARPs 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