B4-4 Model Rocket Engines (3pk)

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B4-4 Model Rocket Engines (3pk)

B4-4 Model Rocket Engines (3pk)

Original price was: $9.56.Current price is: $4.88.

38 in stock

SKU: 4585327248 Category:

Description

The Estes B4-4 is a reliable, single-stage 18 mm engine designed for model rockets weighing under 3.5 ounces. With a balanced 4-second delay, it’s a perfect fit for smooth, stable flights and consistent recovery deployment.
Each 3-pack includes three engines, four starters, and four starter plugs; everything you need for several successful launches. Ideal for hobbyists and STEM projects alike, the B4-4 delivers steady performance with every flight.

Package Includes:

  • (3) Engines
  • (3) Igniters
  • (4) Igniter Plugs

PLEASE NOTE: You must have a physical address for delivery. Engines cannot be shipped to a PO Box.

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