ARP High Performance Series Head Bolt Kit - Ford 351C - 400M - Hex Heads R07C02M Wrap around design evenly distributes

Wrap around design evenly distributes heat on the bottle

Its revolutionary design

1971-1974 Mercury Colony Park

Post Spacing: 11-7/8 "

ARP High Performance Series Head Bolt Kit - Ford 351C - 400M - Hex Heads R07C02M Wrap around design evenly distributesHigh Performance Series Bolts are rated at 170, 000 PSI and available with hex or 12 pt. Heads. Kits include parallel ground washers. 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 applications.