KJ Tri-Angulated 4 Link, Replace the boomerang ball joint and bushings with the JBA triangulated rear 4 link top section. The top cradle welds onto the Chrysler 8.25 diff. the red links with adjustable heim joints bolt in place of the rubber bushings under the rear seat. This is for the guys who brake the ball joint mount housing on top of the diff. , comes with 2 upper arms, 1 Cradle, 1 Hardware kit.