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The Firestone Coil-Rite rear air helper spring kit (multiple fitments) installs inside factory coil springs to add adjustable air assistance for varied load conditions. Each kit includes air helper springs, supports, hardware, air line and inflation valves and requires no drilling. Adjustable pressure lets owners maintain a level vehicle, improve braking and steering balance, and reduce bottoming during heavier loads.
Firestone Coil-Rite Air Helper Spring Kit Rear (Multiple Fitments) (W237604103)
