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Firestone Coil‑Rite rear air helper spring kit for Mitsubishi Outlander (2007–2009) installs inside existing coil springs to create a variable spring rate, allowing you to tune ride firmness and height by adjusting air pressure. The polyurethane helper springs support 500–1,000 lbs per set and function across a wide temperature range. Kit includes supports, hardware, air line and inflation valves and requires no drilling, helping prevent bottoming out and maintaining vehicle balance.
Firestone Coil-Rite Air Helper Spring Kit Rear 07-09 Mitsubishi Outlander (W237604182)
