Estes Rocket Engine: B4-2

ENGINES FOR MODEL ROCKETS

3 B4-2 Engines
4 Starters
4 Starter Plugs

The Estes B4-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.