At the top of our Super Duty line is our famous 4 Link System that provides unsurpassed articulation and wheel travel. Large 2 inch diameter heavy wall links feature race style 1 inch Uniballs for superior strength. Thick 1/4 inch steel brackets secure the 4 Links to the frame without cutting or welding. This 4 Link system includes our Dirt Logic 4.0 Coilover Shock conversion. The system also includes Sway Bar drops, Trac Bar relocation bracket, Pitman Arm, rear Add-a-leafs, and a Block & U-bolt kit.

Which Tires and Wheels to Use:
- 355/65R18 tires w/ 18x9.5 wheels w/ 4 3/4 inch BS w/ minor trimming
- 37/13.5R20 tires w/ 20x10 wheels w/ 4 1/2 inch BS w/ minor trimming 

Installation Instructions