Zenoah crankcase for G260PU / G231PUH / G260PUH / G231PUM / G260PUM engines. Crankcase has 4-bolt cylinder mounting pattern for use with 4 bolt cylinders.

Bearings and seals installed. If you are going to rebuild your enigne this is a very affordable and easy way. A add all the parts and you will see this is the Best way.