Manufacturer Description

This is a replacement piston ring for an O.S. FS120 Surpass III four-stroke
airplane engine.


INCLUDES:
One steel piston ring - this part wraps around the top of the piston
and seals the gap between the piston and cylinder liner. This
ensures that the engine has sufficient compression to run.


Approx piston ring diameter: 31mm




BOX DIMENSIONS: 1.88" W. X .25" H. X 3.50" L.
BOX WEIGHT: .01 LBS.