Stock cylinders bored .50 over about 8 hrs on them. Will also throw in some wiesco pistons.... rings etc.. The works.... Pulled because i bought ported cylinders. The displacement calculator puts these at about about 369cc... compression checked at 115 & 112psi... Looking to get 200 obo will negotiate Just throw some offers at me i need these gone asap i live in a dorm no room for them. If you need more pics Pm me.