#157VR Large VR Air Kit
#157VRX Large Deluxe VR Air Kit
#188VR Small Variable Rate Air Control Kit
#188VRX Small Deluxe Variable Rate Air Control Kit
#630RS 90 deg Pneumatic Main Retracts RoboStrut Ready
#630RSE 90 deg Electric Main Retracts Robostrut Ready
#670 1/2" dia Straight RoboStrut