Features and Benefits: Zero Compromises ball joints offer the perfect combination of value and reliability. Each one is manufactured to ISO 9001 and QS 9000 manufacturing standards to ensure reliability and safety. Precise Fit, Easy Installation Designed as a direct replacement for the original ball joint, the ball and socket come pre-lubricated for trouble-free installation. Precise tolerance machining ensures a seamless fit. Built for Long Haul Balls, sockets, and pins are made from steel and forged aluminum to provide optimum tensile strength and withstand heavy loads. Rubberized boot forms a tight seal against dirt and dust. Contemporary Design