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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
A8-3 (first launch)
Diameter: 3 in
60 size airplanes
The Estes B4-4 is single stage engine designed for model rocket flight
Motor Design: Inrunner
Estes B6-4 Model Rocket Engines (3pk) - EST1606 2238 A8-3 (first launch)The Estes B6 4 is a 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.
US$ 155.00
US$ 624.50
US$ 49.95
US$ 145.00
US$ 149.50
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US$ 149.95
