Cesaroni Pro54 Delay/Eject-Closure Adapter [RA-MC54]. Madcow Rocketry / Aeropack : Rocketarium Model Rocket Kits, parts and launch supplies

Attaches To Pro54 Delay/Eject-Closure
Has 5/16-18 Threaded Hole In Top
Allows Pro54 Motor To Mount On Aero Pack M54 Bulkhead Retainer
Pilot Pin Seals Hole and Guides Adapter When Mounting
Requires 7/8" Wrench or Socket To Install
Precision Machined 6061-T6 Aluminum With Mil-Spec Type II Red Anodizing
With Adapter Installed Just Slide Motor In And Screw Onto Retainer Stud Mount, That's It!
Adapter Is Reusable