original cylinder as supplied with ebs engines. high qaulity aluminium and nikasil plated bore. This is a much better part than cheap cast iron replacement cylinders.See pics for perfect bore condition,piston has never overheated as can be seen by underside of piston crown. cylinder head has no marks. all threads for exhaust ,thermostat etc are good. temp sender is fitted but has a broken wire. Piston size b complete with gudgeon pin,small end bearing and circlips. you will need a new gasket set 8 quid from racing planet
