Estes A8-0 Rocket Engine (3) 4x4 RPM A-arms replace the upper

RPM A-arms replace the upper arms from ARRMA ARA330655 and the lower arms from ARRMA ARA330656

Slick titanium-nitride coated shafts resist scuffing

Built with premium materials and "trade secrets"  these motors are now available for everyone to enjoy

Original pin and bar tread design for strong traction

and is intended for use with the Kyosho Mini-Z MR-02 and MR-03 chassis

Estes A8-0 Rocket Engine (3) 4x4 RPM A-arms replace the upperThis is a pack of three Estes A8 0 Model Rocket Engines. The Estes A8 0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine. This engine is for flights in rockets weighing less than four ounces, including the engines. Each package includes three engines, three igniters and four igniter plugs. Specifications: Engine Type: A8 0 Total Impulse (N sec): 2. 5 Time Delay (Sec): None Maximum Lift Wt. (Oz