Estes B4-2 Engines/3pk

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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, includi ng the engine. Each package includes 3 engines, 4 starters and 4 plugs.ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. Show more