This kit includes the following:
Two polyurethane bushings, two mounting brackets (similar to 108998) and four washers to replaces the soft rubber bushings (100774) that are used to attach the front sway bar to the forward frame crumple tubes.
Four custom-machined polyurethane bushings with steel sleeves and special silicone grease for replacing the soft, weak rubber bushings (108912) that connect the front sway bar to the lower control arms.
Benefits from using this kit include more effective action from front sway bar, better performance under hard braking and less deflection of the front suspension during cornering and braking. Also helps to maintain correct front wheel toe-in and caster.