This is a XRAY 55mm Hudy Spring Steel CVD Drive Shaft, and is intended for use with the XRAY NT1. This 55mm CVD drive shaft is for use with the rebuildable #335205 front CVD drive shaft set for the NT1. Manufactured from world-renowned HUDY Spring Steel™, this drive shaft has been strategically lightened without compromising strength. Use with #335215 CVD drive axle. Used with the Front CVD set only.