NOS NORS Main Bearing Set for 1939 - 1948 Ford Flathead V-8 221 and 239 ci with 2.498" main journals at STD. Like Ford part numbers 81A 6333A and 81B 6331 A and set number 81A-6330-A; F&C all NOS Ford, rears Ford and Federal Mogul.  

You can use these on your new SCAT crankshaft!