Power system for Beoing 737 1. FF1-137 Alum Scale Electric retract rubber wheels+brake*1set 2. FF9-913 Metal Digital Servo * 12pcs 3. FF6-608 Full Metal 90 EDF/Lipo :6S/Class: 4250/1830KV Trust: 3.8kg / Weight:478g /2/sets with counter rotating 4. FF4-408 Brushless ESC 120A x 2pcs 5.FF14-06 JR/Y# Cable/ Length 350mm 1pcs 6.FF14-01 JR /Servo extension :800mm *10pcs 7.FF15-08 Motor extension ESC /600mm 6pcs