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

(user defined)

It accommodates the Hellcat headlight air inlet for 2015-2019 Dodge Challenger models only (requires scoop p/n 54-72203-S)

Fitting ports are 1/8"NPT

lightweight injection molded base and top Pro 5R filter

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