ARP Cylinder Head Stud Hex Nuts Chromoly Black Oxide - Pontiac V8 42144 is 4-3/8" in diameter

is 4-3/8" in diameter

1979-1993 GMC K3500

It features a unique one-piece sealed housing and a stealthy powder-coated black aluminum intake tube

Nomex / Mesh

Hook-and-loop closure makes installation and removal simple

ARP Cylinder Head Stud Hex Nuts Chromoly Black Oxide - Pontiac V8 42144 is 4-3/8" in diameterARPs 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: Cylinder Head Stud Kit Hex