DRIVE SHAFT SET
Many of the troubles of the drive shaft are not the drive shaft’s own lack of strength.
Once the internal movable part of the drive shaft is scratched by an unreasonable input, it will be caught constantly and a heated pool will be made, and eventually it will be burned in a high -temperature state where the grease boils.
No matter how thick the drive shaft is enhanced, it will not improve unless there is an internal structure.
Drive shafts are made not to enhance, but to.