Estes Model Rocket B6-4 Engines

• For single stage engines

For single-stage engines, designed for rockets weighing less than 4 oz. 
Contains: 3 engines, 4 igniters and 4 ignitor plugs

Shipping Restriction - this item is a dangerous good and must be shipped via ground transportation to a physical address (Cannot ship to a PO Box or Rural Route). An additional shipping charge may apply.

Note: This item must be shipped ground only and cannot be shipped expedited or express.