dle55ra model airplane engineDLE55RA 2 stroke model airplane engine DLE takes 50cc performance to a new level with the rear exhaust DLE 55RA. Everything about this engine screams performance, from the piston skirt designed to be lightweight for quick throttle response and tons of power to the rear exhaust that lets you easily install a tuned pipe in your aircraft. The 55RA provides 100 more rpm than the standard DLE 55. It includes engines standoffs, electronic ignition, spark