Retracts>By Aircraft Weight>8 - 18lbs>550 Series>Mains>Pneumatic

#524 510/530/550 Main Gear Wire Kit

#550RS 90 deg Pneumatic Main Retracts RoboStrut Ready

#551RS 85 deg Pneumatic Main Retracts RoboStrut Ready

#552RS 95 deg Pneumatic Main Retracts RoboStrut Ready

#553RS 100 deg Pneumatic Main Retracts RoboStrut Ready