1:10 Model Car Engine Gearbox with Pulley for Toyan FS-S100 FS-S100G FS-S100（W）FS-S100G(W) Type_2 Cylinder Stirling What should I do if

What should I do if there are missing parts or defects

composed of 4 solar silicon wafer

the more power it will have

The model is 75mm long

Max Speed: 80-90km/h

1:10 Model Car Engine Gearbox with Pulley for Toyan FS-S100 FS-S100G FS-S100（W）FS-S100G(W) Type_2 Cylinder Stirling What should I do if1: 10 Model Car Engine Gearbox with Pulley for Toyan FS S100 FS S100G FS S100WFS S100G(W) Features: . 1: 10 model car universal accessories, also adapted toyan FS S100, FS S100G, FS S100 (W) FS S100G (W), but the original gear clutch must be removed, with the wheel clutch, for Modified gearbox . The product needs to cooperate with the pulley clutch to be used with the gearbox. The pulley clutch can be purchased separately in the store. The function of