Superior Quality Cylinder Piston Ring Assy For Stihl Chainsaw OEM Part No.: 1145 020 1200 Cylinder Bore: Ø 40mm Piston Kit OEM #: 1145 030 2001 Fits For Stihl Chainsaw Models Below: MS201 MS201 C MS201 Z MS201 C-E MS201 C-E Z MS201 C-EM MS201 C-EM Z MS201 C-M MS201 C-M Z MS201 2-MIX MS201 CM 2-MIX MS201 T MS201 TC MS201 T-Z MS201 TC-E MS201 TC-M MS201 TC-M Z Cylinder Bore: Ø 40mm Piston Kit OEM #: 1145 030 2001 Package Included: 1pc 40mm Cylinder 1pc 40mm Piston 2pcs Piston Rings 1pc Piston Pin 2pcs Circlips. Perfect Choice For Repairing & Replacement, High Performance As Original One . Freight Prepaid and Quick Shipment by SPECIAL POST line or Yun Express , and takes about 7 to 10 working days only . Please kindly DON'T buy or check with us if your machine model number not listed , any question replied in 24 hours .