 | High compression head, Low style, 14mm spark plugsAdditional Information Aluminum High Compression Head, Low Style for use with low radiators and with 14mm modern style spark plugs. Computer designed flat style combustion chamber, original exterior appearance except has NO Ford script, 6 to 1 compression ratio, extra water capacity, adds approx. 7 HP, use with stock pistons, no modifications to your engine are required. Gives more efficient combustion on today's fuel. Uses standard Model T head gasket. Note: Low style heads are 2" tall and high heads are 2.5" tall. This is the measurement from the head gasket surface to under the head of the head bolt. FAQ There are currently no FAQ for this item. To ask a question about this item please press and fill out the form.  | Bookmark This Page Don't forget to bookmark us! |