AXE Rossi 154R65LUTM High Performance with Large (10mm I.D.) Carburetor, 5 Port Sleeve, ABC R/C Airplane Engine with the Nelson Performance Specialty Ultra Thrust Sport Racing Muffler, Standard Glow Plug and Instructions.

This is the new Rossi 65 Airplane Engine with a large 10mm inside diameter carburetor for high performance instead of the standard 8mm carburetor for fuel economy. The carburetor neck outside diameter is 16mm.  Engine Bore is 24.83mm, Stroke is 22.27mm. The crankshaft thread is 8mm x 1.25. 

Rossi engines come with 3 year warranty against any manufacturing defect.