Estes Rockets 1607 B6-6 Engines For Model Rockets NIB
3 â€“ B6-6 Engines
4 â€“ Starters
4 â€“ Plugs
The Estes B6-6 engine is an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine in lightweight rockets. Each package includes 3 engines, 4 starters and 4 plugs.