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The Firestone Coil-Rite rear air helper spring kit for 2008–2014 GM SUVs installs inside rear coil springs to provide adjustable support for heavier loads. Complete with air helper springs, supports, hardware, air line and inflation valves and requiring no drilling, the kit allows owners to tune ride height and spring rate to maintain handling balance, reduce bottoming and keep headlights aimed under load.
Firestone Coil-Rite Air Helper Spring Kit Rear 08-14 GM SUV (W237604186)
