#188VR Small Variable Rate Air Control Kit
#188VRX Small Deluxe Variable Rate Air Control Kit
#550C1M 550 Series Electric Main Gear Conversion Kit
#550C1N 550 Series Electric Nose Gear Conversion Kit
#551RS 85 deg Pneumatic Main Retracts RoboStrut Ready
#551RSE 85 deg Electric Main Retracts RoboStrut Ready
#555RS 90 deg Pneumatic Nose Retract RoboStrut Ready
#555RSE 90 deg Electric Nose Retract RoboStrut Ready
