Threaded rear closure for all Cesaroni Pro54 reloadable rocket motors.
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Availability date: 0000-00-00
This threaded closure is the only one required to complete a cesaroni reloadable Pro54 motor. It is threaded into the motor casing and being of a larger diameter than the motor, it acts as a motor block because it butts against the motor mount tube. It fits any motor retianer you use to block the motor in its place into the rocket.