Motorcraft ball joints feature wrench flats, when feasible, to aid in installation and include new pinch bolt, nut and other necessary parts for attachment. Ball joint-only cartridges to eliminate the unnecessary replacement of entire control arm assemblies. Product Features:Hardened metal stud - Heat-treated for excellent strength and durability, feature the use of castle nuts and cotter pinsFull ball design - Allows smooth motion to maintain precise alignment and improved handlingPolymer bearing design - Where applicable, encapsulates the ball stud and eliminates heavy preload to reduce steering effort and minimize wearGrease fittings - Where applicable, allow lubrication for future maintenanceMagnesium phosphate coating - Provides a rust-preventative finish to extend shelf lifeOversized housing - Provides a better fit for vehicles with slightly worn control armsSealed boots - Feature steel retaining rings, where applicable, to protect joints from contaminants and waterDirectional grease escapements - Allow old grease to be flushed out during maintenance
