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D12-3 Standard Engine (2) Overview: The Estes D12-3 engine is a single stage engine designed for model rocket flight. This engine is a 24mm diameter engine designed for rockets with a maximum lift weight of less than 14 ounces. Each package includes 2 engines, 2 starters and 4 starter plugs.
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🇺🇸 Ship from USA · On Agora since 2026
$14.99