ARP Header Bolt - 8 mm x 1.25 Thread - 0.984 in Long - Hex Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 12 2110014 4150 Square bore carb mounting

4150 Square bore carb mounting flange (accepts up to 1

Direct vehicle exhaust connection to instrument - Gauge must be mounted outside of vehicle

Includes four 2-hole looms

Two Link Clamp

This is a must for circle track or forced induction engines

ARP Header Bolt - 8 mm x 1.25 Thread - 0.984 in Long - Hex Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 12 2110014 4150 Square bore carb mountingARPs 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