Firestone 4119 Coil-Rite Air Helper Spring Kit for Rear Suspension

The Firestone 4119 Coil-Rite Air Helper Spring Kit is engineered to enhance your vehicle's load-carrying capability and improve ride quality when hauling heavy loads. This rear air spring system installs inside your existing coil springs to provide up to 1,000 lbs of additional load-leveling capacity, helping eliminate squat, sway, and bottoming out.

Key Features:

• 1,000 lbs maximum load-leveling capacity for improved handling when loaded
• Adjustable air pressure from 5-35 PSI to customize support based on load
• No drilling required for installation—uses existing mounting points
• Includes air helper springs, supports, hardware, air line, and inflation valves
• Fits 2022-2025 Ford Maverick AWD models
• Not compatible with in-bed hitch installations

The Coil-Rite system allows you to adjust air pressure on-the-fly to match your load, providing optimal support whether you're driving empty or fully loaded. The kit includes everything needed for installation, including pre-assembled components and detailed instructions. By maintaining proper ride height and reducing suspension compression, this air spring kit helps improve braking performance, steering control, and overall vehicle stability when towing or hauling cargo.