ARP 8 mm x 1.00 and 8 mm x 1.25 Thread Stud 2.750" Long Chromoly Black Oxide - Universal NG501 Butler Built Air Ducts are

Butler Built Air Ducts are used by many top NASCAR competitors

Chevy Truck 1960-66

Includes our Belt Drive Fuel Pump (pg

1974-1984 Cadillac Fleetwood

ARP 8 mm x 1.00 and 8 mm x 1.25 Thread Stud 2.750" Long Chromoly Black Oxide - Universal NG501 Butler Built Air Ducts areARPs 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: Stud 5 16 24 in and 8 mm x