Every APA/URO ball joint is CAD/CAM designed and engineered to restore the handling of your vehicle to it's original state. New items are constantly being evaluated to ensure our range of suspension parts stays up-to-date with current models. Every APA/URO ball joint also undergoes one or more of the following measures in order to make certain that each part meets or exceeds OE standards for fitment, function, durability, and design. Product Features:Installation and use of the part in real world conditions for a specified duration of timeLaboratory testing of rubber and metal compounds for tensile strength, shear strength, compression strength, elasticity, stiffness, etc. under extreme conditionsIntensive factory and local inspection of each part against genuine samples and engineering drawings to ensure consistent quality every time