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Eibach's Pro-Truck rear reservoir shock for 2021–2023 Ford F-150 2WD uses a remote reservoir design to improve off-road damping performance. By separating additional fluid from the nitrogen gas charge, the reservoir reduces aeration and helps dissipate heat more effectively, limiting shock fade during prolonged or heavy-duty use. The unit is intended as a direct replacement rear shock for improved responsiveness under load.
Eibach 21-23 Ford F-150 2WD Rear Pro-Truck Reservoir Shock
