its an engine i found for decent price have not bought yet. not sur if its sleeved yet or not. just looking to see if its a good deal or dead horse. Looks like someone put in piston and it spit the wristpin retainer. grooved sleeve pretty bad beyond honing and plating. new jug wayyyy to pricey to be cost effective. Just trying to do homework b4 i spend my money, Kinda hard to come by the greenbacks and want to get every penny's worth I can