Estes A3-4T Engines/4pk 1507

This is one A3-4T Model Rocket Engines (4pk) by Estes Rockets. Please note in store availability and pricing may vary. The Estes A3-4T is a single stage engine designed for model rocket flight. It is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters, and 4 starter plugs.