Full Tune Up Kit for M4 (M130 Enlarged Set)
This kit contains these parts:
Nozzle: [DF-CPN16p]Cylinder Head: [DF-CPC07]Cylinder: [DF-CPC17]Piston Head: [DF-CPP18a]Piston: [DF-CPP19]Spring: [DF-CPS02]Spring Guide: [DF-CPO05]Bushing: [DF-CPO16]Tappet Plate: [DF-CPO33]