The Stihl crankshaft half-crankshaft (code 1147-020-2905) is an original spare part for Stihl MS 500i chainsaws. Includes IS-M5x27 Hollow Head Screw, No. 4 Pin, 15x37.7x13 Groove Ball Bearing, M8 Collar Screw, Valve, 2.6x8 Slotted Cylindrical Nail, Stop Pad, BS15x31.5x4 MN Radial Seal Ring