This kit includes 1 replacement air spring for Firestone Coil-Rite kit 4100. Spring fits inside an existing front coil spring to help level your vehicle, improve braking and handling, and reduce tire wear.
Get the kind of survey equipment used by the pros. This signal meter measures cell signals coming from nearby towers, so you can install boosters in the best spot.
Replaces one of the two upper brackets for your Firestone Ride-Rite air helper spring kit. Connects your air spring to your vehicle's frame. Includes one upper bracket.
Replaces one of the two M10 X 1.5 X 50 MM flat head cap screws for your Firestone Ride-Rite air helper spring kit. Attaches your upper bracket to the factory jounce bumper's threaded bolt hole in your vehicle's frame. Includes 1 screw.
Missing the upper bracket on your Ride-Rite setup? This replacement fits the passenger's side of your Firestone F2558 kit and gets your air spring secured back to the frameso you can get back to towing without the sag or the squish.
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