#620 Midwest AT-6 Pneumatic Main Retracts
#620C 620 Electric Conversion Kit
#620E Midwest AT-6 Electric Main Retracts
#622 1/6 Scale P-51 Pneumatic Retract
#622-5 Top-Flite P-51 Mustang Pneumatic Main Retracts
#622-5C 622-5 Electric Conversion Kit
#622-5E Top Flite P-51 Mustang Electric Main Retracts
#622-5HD Top-Flite P-51 Mustang HD Pneumatic Main Retracts
#622E 1/6 Scale P-51 Electric Retract
#622HD85 85 deg Aluminum Blocks
#622HD90 90 deg Aluminum Blocks
#622P47 Top Flite P-47 Thunderbolt Pneumatic Main Retracts
#622P47C 622P47 Electric Conversion Kit
#622P47E Top Flite P-47 Thunderbolt Electric Main Retracts