Estes 24mm to 29mm Engine Adapters
Adapts Estes 24mm C11/D, Estes 24mm E and Estes E30 series composite engines to a 29mm Estes engine size. Also adapts AeroTech 24mm composite single use and RMS motor systems. 2 adapters per pack. Reusable.
Includes: 2 - engine adapters, 2 - orange spacers and instructions.