***REQUIRES GOOD USABLE CORES****
Complete polaris 400 rebuild assembled
Bored/honed OEM cylinder fitted with forged piston
Rebuilt crankshaft with new connecting rod trued to .001 or less runout
balancer shaft serviced to use OEM size seals
all new high quality bearings
All new high quality gaskets/seals
Test run and cylinder base/head retorqued
