Here is a very helpful item:  This is a new in the package standard size 49.5mm (STD) Piston Ring Set  for a number of the now vintage Kawasaki motorcycles. This includes the KH100, KE100, KM100, KD100 and KV100. These bikes were produced between 1976 and 1981.   Everything to get your pistons/ engine running nicely again.  We only sell the best! This is a top-quality aftermarket item shipped new in the package.  Correct for part # 13008-043.  Will fit the stock Kawasaki piston perfectly. Good stuff if you are riding or restoring one of these cool bikes.  That is it! Thank you! 

This will fit the following bike models and years:

KH100 - 1976, 1977

KV100  - 1976

KE100 - 1976 1977 1978 1979 1980 1981

KM100 -  1976 1977 1978 1979 1980 1981

KD100 - 1976 1977 1978 1979