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Firestone Coil‑Rite rear air helper spring kit (multiple fitments) fits inside existing coil springs to create a variable spring rate, letting you quickly alter ride height and stiffness by adjusting air pressure. Durable polyurethane air springs support 500–1,000 lbs per set and perform in extreme temperatures. The kit includes supports, hardware, air line and inflation valves and installs without drilling to help level the vehicle, improve braking response and reduce tire wear.
Firestone Coil-Rite Air Helper Spring Kit Rear (Multiple Fitments) (W237604105)
