Rancho RS994123 RS9000XL 9-Position Adjustable Shock Absorber

The Rancho RS9000XL RS994123 is a premium 9-position manually adjustable shock absorber engineered for trucks, SUVs, and Jeeps used in on-road driving, off-road adventures, towing, and hauling. Recognized as the first nine-position manually adjustable ride control series in the off-road market, the RS9000XL gives drivers complete, hands-on control over damping firmness to suit any driving condition.

Key Features:

• 9-Position Manual Adjustment: Easy-to-use knob delivers up to 400% change in damping control from position 1 (softest) to position 9 (firmest) — positions 1–3 mimic OE ride quality, 4–6 are slightly firmer, and 7–9 are ideal for towing and heavy loads
• Large 2.75-Inch Tri-Tube Body: Oversized shock body increases fluid capacity for cooler, more consistent performance even under the most demanding conditions
• Nitrogen Gas Charged: Pressurized to 120 PSI to minimize air-to-oil mixture and reduce damping performance fade and foaming
• Heavy-Duty 18mm Nitro-Carburized Piston Rod: Provides strength and long-term durability
• Graphite-Filled Fluon-Banded Piston: Reduces friction for smoother compression and quicker rebound
• Polyurethane Rebound Bumper and Bushings: Absorbs ride harshness and enhances responsiveness to changing road conditions
• Protective Boot Included: Polyvinyl boot safeguards the shock rod and oil seal for extended service life
• Liquid Metallic Finish: Premium corrosion-resistant finish for long-lasting durability
• Rod-Up / Body-Down Installation: Designed to be installed rod end up and body down for proper operation

The RS9000XL is suitable for stock and lifted truck applications and helps maintain steering, handling, and braking by ensuring consistent tire-to-road contact. It also resists vehicle bounce, body roll, brake dive, and acceleration squat for a balanced, controlled ride in any condition.