Stihl Fs85, Fs80 Piston Kit, Specs: 34mm Piston, 2 Rings Piston, Includes Piston Pin And Clips, This Is A New Piston Replacement Kit Replaces Stihl Part # 4137-034-3000,note On Fs80 Piston Kit: This Is For The Newer Fs80 Made In Usa Not The Japanese Fs80 Made For Stihl In The Late 70's And Early 80's.
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