Chainsaw Repair

Yes The PP260 is a chromed cylinder with a plain piston.    I have a couple of them.  One I woods ported and modified the muffler on.  It is a good strong running saw.   As far as the bottom half of the crankcase fitting from a wild thing to a 260 I do not know since I have never taken one of the wild things apart.   If your going to get a PP 260 cylinder and piston look for something used with the bottom half of the crankcase with it.  Then just put new rings in it.   With some patients you could find something on ebay.   

As far as the Chromed cylinder goes I think it wears better for one and will have better compression.   That is just my opinion based on what experience I have had with the non chromed cylinders.