This auction is for a hard to find in any condition and this is a new vintage ENYA XF-4 .80 R/C nitro model airplane engines. Ringed piston. This didn't come with a muffler but found a excellent one that I am including. Includes nice box, papers,  muffler and screws, glow plug and needle. Turns smooth and great compression. $11.00 shipping U.S. $30.00 shipping Canada. $45.00 International shipping for all other countries. I combine auctions to save you money on shipping. I am clearing out a massive estate with lots of new and lightly used gas, glow, diesel, 2-stroke, 4-stroke, single and multi cylinder engines, tether cars, old radio gear, RTF airplanes and vehicles, and lots of new parts along with used and parts engines so stay tuned to our future auctions.