This listing is for a quality set of 4 OEM Delphi branded replacement upper and lower steering knuckle ball joints, these are suitable for all Land Rover Discovery 2 TD5 or V8 models from 1998 through to 2004. These are also suitable for all Range Rover P38 models. Please note that o ur quality aftermarket and original equipment (OEM) branded parts are not to be compared to the cheaper branded parts available.