Estes B4-2 Model Rocket Engine in Retail Packaging

Estes Rockets B4-2 Engines

  • $9.95
Free Shipping on Orders of $135 or more!


  • Launch your next model rocket on Estes Rockets B4-2 Engines
  • Each package includes 3 engines, 4 starters and 4 starter plugs
  • Total Impulse: 5.00 N-sec
  • Max Thrust: 13.2 Newtons
  • Can only be shipped via USPS Parcel Select Ground. No international shipping is allowed.

The Estes Rockets B4-2 Engines is for rockets weighing less than 4 ounces, including the engine. The package includes 3 engines, 4 starters and 4 starter plugs. Max thrust is 13.2 Newtons. And, these engines only ship USPS Parcel Select Ground. 

Products Containing Crystalline Silica | CA Prop 65
Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times. 

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