This nacelle fits the Dura fly Sky Mule and is sold as single units with the cowl. It is part of the SkyMule float plane conversion so the stock nacelle will have to be inverted for it to fit.
It is formed with HEPA .030 plastic ( not compatable with superglue) assembly is done with model cement.
Instructions for assembly will be posted on RC groups soon.
The nacelle is 8 inches long with a 3 1/4 inch Dia.