#157VR Large VR Air Kit
#188VR Small Variable Rate Air Control Kit
#188VRX Small Deluxe Variable Rate Air Control Kit
#541RS 90 deg Pneumatic Nose Retract RoboStrut Ready
#541RSE 90 deg Electric Nose Retract RoboStrut Ready
#630RS 90 deg Pneumatic Main Retracts RoboStrut Ready