ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Ford 11000303 Sizes 14"-18" in 1" increments

Sizes 14"-18" in 1" increments

Adjustable slip collar allows for precision installation with modified blocks or intakes

Sway Bar Adjuster Bolt

Air-tight sealing allows the engine to pull greater vacuum for improved ring seal and power

1968-1969 GMC G15/G1500 Van

ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Ford 11000303 Sizes 14"-18" in 1" incrementsARPs 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