Main Bolt Kit by ARP

ARP Pro Series main bolts are application-specific and rated at 190,000 psi. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.

Features

• Main Bolt Style: 2-bolt
• Fastener Style: Bolt
• Head Style: 12-point
• Works with Windage Tray: No
• Fastener Tensile Strength (psi): 190,000 psi
• Nuts Included: No
• Washers Included: Yes

Benefits

• Designed to meet the exacting standards and demands of professional engine builders
• Forged from 8740 chromoly steel and feature a reduced wrenching head
• Large underhead radius
• Rolled threads for the utmost in reliability

Applications

• 1968 – 1973 Ford Thunderbird
• 1969 – 1971 Ford Mustang
• 1969 – 1970 Ford Mustang Boss 429
• 1969 – 1973 Ford/Mercury full-size
• 1969 – 1973 Ford/Mercury intermediate
• 1971 Mercury Cougar
• 1977 – 1991 Ford medium-duty F-Series
• Ford F600/F700/F800
• 1977 – 1991 Ford B-Series
• 1979 – 1990 Ford C-Series
• Ford C900
• 1977 – c.1991 Ford L-Series “Louisville Line”
• Ford L900
• 1972 – 1976 Ford Thunderbird
• 1974 – 1976 Mercury Cougar
• 1972 – 1978 Ford/Mercury full-size
• 1973 – 1976 Ford/Mercury intermediate
• 1973 – 1997 Ford F-Series
• 1975 – 1996 Ford E-Series

What’s In The Box?

• 10 – Bolts

Warranty

• Manufacturers Standard Warranty