2019-22 - 18,000 to 20,000LB Capacity - 1 Leaf spring - Tapers in width and thickness
Air Suspensions: Rear
Design Update:
The fourth design of the rear air suspension system features a single leaf spring that tapers in both width and thickness.
Production Start:
This design was first introduced as an optional part in 2019.
New Component:
This design utilizes a new bushing, RB-389, which has a diameter of 3 inches. In contrast, all previous designs used bushings with a diameter of 2.5 inches.
Unique Feature:
Notably, the center hole on the leaf spring is located on the side of the leaf, unlike previous designs.