Saito FA-120R3 Radial Four-Stroke Glow EngineSaito continue to expand their radial engine line with the addition of the FA 120 3 Cylinder Radial. Ideal for 60~90 sized models, the FA 120R3 is an upgrade from the FA 90R3 engine, featuring 33% larger displacement and more power; all at a lighter weight for a higher power to weight ratio. The FA 120R3 also comes with a 3 piece flex exhaust system, making for an all inclusive package. Like all Saito engines, this powerhouse is engineered with that