The engine cleaned ready for paint. New liners have been fitted and it is back to STD pistons from +40...

...Liners from below...

The crank has been re-ground with new bearing shells. Old rear oil seal arrangement has been retained. The front oil seal has been changed from rope to a modern lip seal.

...The head has new valves, re-worked and hardened inserts fitted for unleaded fuel...

The engine plate. The number is also stamped into the casting, just above the plate (now under three layers of red paint).