This cylinder head uses a Model B head gasket, and accepts 14mm spark plugs. "Thomas" style head is cast from prime high magnesium 355-T6 aluminum alloy. This head improves performance and gives better cooling.
Due to higher compression, you must use a # A6066SHD heavy-duty stud & nut set & # B6063 washers.. 6.7:1 compression ratio.
USA made.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
| Ford |
Model A |
1928 - 1931 |
