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.
- Extreme duty quad steer ball joint. Mounting plate is cut from 1/2" thick steel. Rare Parts design offers a threaded in ball joint to the plate. (The original ball joints that came on the quad steer truck were non greaseable and they used nylon internal components) Rare Parts quad steer ball joints offer steel on steel design and they are greaseable. 100% made in the USA
- This ball joint contains a massive 40mm full ball stud giving it a 24% increase in wear surface over OE.
- Heat treated components for increased strength and better wear characteristics.
- Tested and inspected to exceed OEM specifications.
- Exact replacement, no modifications necessary.
