This brass bush is installed in front of and behind the freewheel body. 2 pieces are needed per engine.
Top quality, suitable for Sachs 503 AC / ADV engines.
Dimensions:
Ø outer: 27mm
Ø inner: 19mm
Thickness: 6.3mm
Swiss Online Shop - Free shipping from SFr. 150.-- (Switzerland and Liechtenstein) 
