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Estes Rocket Engine: B4-4
$17.60$22.00
ENGINES FOR MODEL ROCKETS 3 B4-4 Engines4 Starters4 Plugs The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the...
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ENGINES FOR MODEL ROCKETS
3 B4-4 Engines
4 Starters
4 Plugs
The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.
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