ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Pontiac V8 Push Rod Features a 1/2" NPT rear

Features a 1/2" NPT rear port for temperature senders and 2 1/4" NPT ports for plumbing return lines to cylinder heads

Patriot Exhaust H7261 3-bolt 3 1/2" diameter Collector Flange Kits

Jerry Coons

Torque Ball Shield

ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Pontiac V8 Push Rod Features a 1/2" NPT rearARPs 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: Main Stud Kit Hex Nuts 2