Available only in the "High Style" for the 1918-27 T's. Stock spark plug threading. Cannot be used with high compression pistons. Gives that ol' T a little extra muscle to get up and down those hills. Includes washers.

The ultimate improvement for the Model T

Bolt on performer on a "T" without any other changes - just remove the old head

Outside similar to a 1926-27 Hi Head except for individual foundry markings

Built to fit over 5/16 pistons over block with carbon space

High dome pistons cannot be used with this application

Compression ratio: 8 to 1, old Sherman Head style combustion chamber

Casting: 356 aluminum with heat treat process

Holds approximately one extra quart of water for cooling

Flattens the hills

Increases horsepower

Test proven on a "T" for over 30 years

Use Dexcool antifreeze

Champion plugs recommended