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Firestone Coil‑Rite rear air helper spring kit for Jeep Wrangler and Unlimited (2007–2017) fits inside existing coil springs to create a variable spring rate, so you can dial ride height and firmness by adjusting air pressure. The polyurethane air springs support 500–1,000 lbs per set and perform across a broad temperature range. Included are supports, hardware, air line and inflation valves with no drilling required to improve handling and prevent bottoming out.
Firestone Coil-Rite Air Helper Spring Kit Rear 07-17 Jeep Wrangler / Unlimited (W237604173)
