Cylinder and piston kit for STIHL circular saw chainsaw CYLINDER DIAMETER 34 MM FOR MODELS: BG75, FC75, FH75, FR85, FR85T, FS75, FS80, FS85, FS85T FS85RX, HS75, HS80, HS85, HL75, HL75K, HT70, HT75, KW85 Reference : 176-547 Original code : 4137 020 1200, 4137 020 1201 STIHL VR