B4-4 Engines

The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine.

Each 3-pack package includes:

• 3 engines
• 4 starters
• 4 plugs
  

1602 B4-4 Rocket Engine 3-Pack is compatible with majority of Estes rocket kits including: 

• 1225 Alpha
• 1292 Wizard
• 1261 Baby Bertha
• 1946 Boosted Bertha
• 1948 Big Bertha
• 1949 Viking
• 2008 Generic 2X
• 2021 Cadet
• 2056 US Army Patriot
• 2092 Mongoose
• 2169 Dragonite
• 2178 Hi-Flier
• 2452 Athena
• 2483 Phantom Blue
• 7000 Bull Pup 12D
• 7220 Crossfire ISX
• 7245 Comanche-3
• 7259 Nike-X
• 7281 Corvetter
• 7284 Starship
• 7291 Space Corps Centurion

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.