Firestone 12351 Ride-Rite Air Spring Helper Spring Kit

The Firestone Ride-Rite 12351 is a heavy-duty air helper spring kit designed to restore and maintain proper vehicle ride height, improve load-carrying stability, and eliminate sag when towing or hauling heavy loads. Engineered to work alongside your existing factory suspension, this kit provides adjustable air pressure support to keep your vehicle level under varying load conditions.

Key Features:

• Adjustable air pressure from 5 to 100 PSI for customized load support
• Heavy-duty rubber air springs built to withstand demanding conditions
• Bolt-on installation — no cutting or welding required on most applications
• Compatible with standard air compressor systems and onboard air management setups
• Durable construction designed to resist heat, ozone, and road debris
• Improves steering control and braking performance when hauling heavy loads

The Firestone Ride-Rite system is one of the most trusted names in air suspension assistance, offering a cost-effective alternative to full air suspension replacement. Each kit includes all necessary hardware and instructions for a complete installation.