The Stihl crankshaft half-crankshaft (code 1145-020-2902) is an original spare part for Stihl MS 201, MS 201 C-E chainsaws. Includes 12x24.5x8.8 Roller Sleeve, Valve, 5.5x0.5x6.8 Hollow Rivet, M8 Collar Screw, M5 Collar Screw, 12x20x4 MN Radial Seal Ring