ARP Main Bolt Kit - Hex Head - 4-Bolt Mains - Chromoly - Black Oxide - Dart - SHP - Small Block Chevy Brake Pedal Assembly See 304001 for XFI Street

See 304001 for XFI Street Engine Management System with 4150-Flange EZ-EFI Fuel Throttle Body

1958-1959 GMC PM250

those who sought optimum performance became innovators

these systems include all necessary parts and hardware for easy installation

Block mount to fan hub dimension is 5-13/16"

ARP Main Bolt Kit - Hex Head - 4-Bolt Mains - Chromoly - Black Oxide - Dart - SHP - Small Block Chevy Brake Pedal Assembly See 304001 for XFI StreetARPs 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: Main Bolt Kit Hex Head 4