ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - 12 Degree Hitman Heads 473 Gauges feature an 1/8" NPT

Gauges feature an 1/8" NPT male fitting

CNC-machined aluminum rear engine plate fits standard and raised cam engines

Big Gun X Series

28 in Long

3 in Offset

ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - 12 Degree Hitman Heads 473 Gauges feature an 1/8" NPTARPs 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 12