Fr7-420 sirius 7 cylinder radial
The "Golden Era" looks of the FR7-420 Sirius are matched by its superb power output and rich, realistic sound.
- The vintage 7-cylinder design is a scale airplane modeler's dream
- Individual V-shaped valve covers add to the scale appearance, and make this engine compatible with several airplane styles
- Main internal parts such as the crankshaft, cam holder and reduction gear are all plated to resist corrosion
- Air-fuel mixture is distributed equally to each cylinder to ensure stable, long-lasting idle