Firestone Coil-Rite Air Helper Springs for Coil Spring Suspension Adjustable ...

Firestone Coil-Rite Air Helper Springs for Coil Spring Suspension — Adjustable Support & Smoother Ride Upgrade ride comfort, handling, and load-carrying capability with Firestone Coil-Rite air helper springs. Engineered to fit inside existing coil springs, Coil-Rite creates a variable spring rate that levels your vehicle, reduces sag, and improves braking and control under heavy loads and rough conditions. Key Features Adjustable air pressure: Fine-tune spring rate as easily as inflating a tire to match varying loads and road conditions. Improved stability: Reduces body roll and squat, enhancing braking and steering response. Durable construction: Made from elastic polyurethane for long-lasting performance and resistance to wear. Reliable capacity: Supports approximately 500–1000 lbs per set (do not exceed vehicle GVWR). Wide temperature range: Rated for reliable operation from -40°F (-40°C) to 180°F (82°C). Why Choose Firestone Coil-Rite Coil-Rite is a simple, effective solution for vehicles with coil spring suspension. Because it installs inside your existing springs, you keep factory ride characteristics while gaining the ability to compensate for trailers, cargo, or passengers. Ideal for light trucks, SUVs, and vans that need occasional load-leveling without a full suspension overhaul. Compatibility: Designed for coil spring systems—select the correct kit for your make and model. Always follow manufacturer load ratings and installation instructions.