010019 Estes B4-4 Engines - 18mm

010019 Estes B4-4 Engines - 18mm

Brand: Estes
SKU: 010019
12.99 USD In stock Buy at Merchant

The Estes B4-4 is a 18 mm, single-stage rocket engine with a 4-second delay, suitable for model rockets up to 3.5 ounces. Each 3-pack includes engines, starters, and starter plugs.

  • The description claims the B4-4 is suitable for model rockets up to 3.5 ounces.
Variants (1)
  • Default Title — 12.99 USD — In stock

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