I have tow of the alexander heads One is on my turner and runs twin
38DCOE8 weber carbs and the other is in a box with no valve gear. It
have a very high C.R and i have not been game to use it and am just
keeping it as a spare should i stuff the other one Alexander also
supplied me with drawing for all the valev gear from their original
blueprints. The spare head is not for sale. The current engin is 998cc
but i have run it on a 1072cc