ProForged Lower Ball Joint - Greasable - Bolt-In - GM Fullsize Car 1957-89

Product Description:

ProForged new products are designed using the latest CAD programs and prototypes are validated through hardness testing, microstructure analysis, surface finish examination, and roundness testing. We ensure application suitability through extensive tensile and elasticity strength testing, stud pullout testing, stud impact testing, salt spray tests, and cycle testing for durability. The result is a finished product that is superiorly strong, durable, and free of defects – exactly what today’s performance enthusiast demands.