I have up for trade is a brand new stock stroke cub with cleanup port has been powder-coated black 54x68 with new pistons and comes with head only been placed on the block with nuts hand tighten. I don't know the domes size right off hand ill get that info later. i am looking for a 4mm crank with cylinders that's been dune ported for a 4 mil crank and possibly a head. JLEngineering powder coated the cylinder and also polished the head,. any questions please pm me