ARP Main Bolt Kit - 2-Bolt Main - Ford 351W Rear Suspension Components Idle speed position screw and

Idle speed position screw and idle speed spring

Fitting ports are 1/8"NPT

Ford Mustang 1964-73

Requires 1-3/8 in Spring

(user defined)

ARP Main Bolt Kit - 2-Bolt Main - Ford 351W Rear Suspension Components Idle speed position screw andARP high performance bolts are rated at 180 000 psi tensile strength and have a wide area flange to provide even load distribution during torquing. ARPs 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