ARP Cylinder Head Stud Hex Nuts Chromoly Black Oxide - Pontiac V8 42144 1979-1993 GMC K3500

1979-1993 GMC K3500

2017-2019 Chevrolet Silverado 3500 HD

Big GM inlet thread is 7/16"-20

is 4-3/8" in diameter

X-Series Wideband Gauges and the X-Series Inline Controller support the popular 4

ARP Cylinder Head Stud Hex Nuts Chromoly Black Oxide - Pontiac V8 42144 1979-1993 GMC K3500ARPs 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