The Rancho RS9000 XL 9-position adjustable series delivers nine levels of performance to on- and off-road trucks, SUVs and Jeeps. Globally recognized as the first 9-position manually adjustable ride control series in the off-road market, the advanced RS9000XL series is ideal for on- and off-road use, towing and more. The adjustable damping enhances ride characteristics by counteracting the additional unsprung mass inherent in larger tire and wheel combinations. Engineered and manufactured in the U.S., all RS9000XL series units are covered by a Limited Lifetime Warranty.