Rare Parts prides itself on its unique manufacturing process for its high-quality Diamond Series chassis parts, all of which meet or exceed original equipment specifications. A few features of our Diamond Series parts include forged versus stamped housings, greaseable verses non-greaseable, tighter machining tolerances, additional stud swing when necessary, and proper heat treatment of ball studs and mating components. Every Diamond Series part is individually tested and inspected in our facility prior to being sold, ensuring that you are purchasing the safest and highest quality chassis parts available.