New torque converter nuts for connecting torque converters to flex plates on 1967-73 Mercury Cougar or 1967-73 Ford Mustang or other Ford Lincoln Mercury that is not metric. 3/8-24 threads, Grade 8 nut with a 9/16 inch hex. 0.79" OD and 0.39" thick. Torque converters use 4 nuts for attachment.
Ford number 377704-S