I'll check this evening and see what part number mine isThis is the one I need.View attachment 86890
It's funny you say that. I just did that to my other one. I was going to use a 272 muffler I have but it was too big. Top cover was right down on it. The saw I'm trying to sell is in too good of shape to covert.That is a good looking old Husqvarna- it would be a good candidate for a 272 top end conversion.