The DLE 55RA takes 50–55cc class performance to a whole new level. With its rear-exhaust design, lightweight piston, and precision-built internals, this engine delivers fast throttle response, outstanding reliability, and more power than the standard DLE-55, producing an impressive 5.5 horsepower at 8,500 RPM. The rear-exhaust layout makes the DLE 55RA ideal for models requiring clean installations or tuned pipe setups, while the CNC-machined components and advanced porting ensure smooth running and long-term durability. Included with the engine is a Pitts-style muffler, spark plug, standoffs, electronic ignition, and an integrated choke rod guide, everything you need for a clean, efficient installation. The DLE 55RA is widely regarded as one of the strongest and most reliable single-cylinder petrol engines on the market, perfect for aerobatics, 3D flying, scale models, and high-performance sport aircraft. Key Features Rear-exhaust design for compact installations and tuned pipe compatibility Produces 5.5 hp @ 8,500 RPM Lightweight piston for rapid throttle response Advanced CNC machining for strength and longevity Includes Pitts-style muffler for efficient exhaust flow Electronic ignition for easy starting and smooth running Integrated choke rod guide for simple setup Improved performance over the standard DLE-55 Perfect For 50–60cc class aerobatic aircraft 3D models requiring high torque Warbirds with tight cowls or tuned pipe routing Large sport planes Product Summary High-power 55cc rear-exhaust petrol engine delivering 5.5 hp, smooth response, and superior installation flexibility. Complete with muffler, standoffs, and ignition system. Specifications Stock Number: DLEG0455 Displacement: 55.6 cc (3.39 cu in) Bore: 1.76 in (45 mm) Stroke: 1.37 in (35 mm) Output: 5.5 hp @ 8,500 RPM Weight: Engine: 3.74 lb (1.33 kg) Muffler: 3.17 oz (90 g) Ignition Module: 5.11 oz (145 g) Requirements: Unleaded petrol + 2-stroke oil Ignition battery Propeller Included:Electronic ignition, Pitts-style muffler, spark plug, engine standoffs, rear-mounted carburettor, integrated choke rod guide. Why Buy From ProBuild Aircraft Ltd ✅ Official UK DLE Stockist – 100% Genuine Engines ✅ Trusted by Top International RC Pilots Worldwide ✅ Fast, Reliable UK Shipping ✅ Expert Advice & After-Sales Support ✅ Trusted by RC Pilots Since 1993
