ARP Header Bolt - 8 mm x 1.25 Thread - 1.181 in Long - Hex Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 12 Assembly Lubricant "Every square inch of this

"Every square inch of this front end has aerodynamic features built into it

Torco offers premium high-performance engine oils and lubricants for your car

Mounts To Front Of Water Pump Pulley

They are an absolute must for today's Hi-RPM racing engines

ARP Header Bolt - 8 mm x 1.25 Thread - 1.181 in Long - Hex Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 12 Assembly Lubricant "Every square inch of thisARPs 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 8 mm x 1. 25