New Main Bearing Set for 1939 - 1948 Ford Flathead V-8 221 and 239 ci with 2.498" STD main journals; this set at -.030 for cranks ground to 2.468". Ford part numbers 81A 6333-N and 81B 6331-N, set number 81A-6330-N at .030
New Main Bearing Set for 1939 - 1948 Ford Flathead V-8 221 and 239 ci with 2.498" STD main journals; this set at -.030 for cranks ground to 2.468". Ford part numbers 81A 6333-N and 81B 6331-N, set number 81A-6330-N at .030