Motorcraft XL-3 Friction Modifier Additive For use on certain limited-slip differentials to reduce chatter and hypoid gear noise levels Use according to Owner Guide recommendations Tapered neck applicator for easy use. bottles are new just not in original box. please see all pictures for a better description on condition. if you work on cars you will have for knowledge on what tis can be used on. total of 10 bottles 4 fl.4 oz sold as is.
