STIHL Genuine 088 early MS880 Gasket and Seal Set. # 1124 007 1051

Genuine 0088, early MS880 Seals and Gasket Set. If you're pulling one of these down this could be what you need.
 
Please take the time to check this is the gasket set that matches your saw. The best way to be sure (I think) is that your saw with have the clip on cast magnesium muffler not the bolt on pressed type