The new head arrived today and is every bit as beautiful as Andrew's pics indicate. While I was waiting for the head I replaced the sleeve and piston in the 1.48, the ring was rusty as was the rear bearing. It appears the original owner used all synthetic. So, now that I have the old head back I can braek in the new cylinder and piston. The new head fits perfectly and looks good on the engine. As an interesting aside the new cylinder is perfectly smooth inside, no crosshatch and holds compression like a properly broken in engine when rotated by the prop driver. Excellent job Andrew.