Ford Expedition 2013-2007; Lincoln Navigator 2012-2007Ford Expedition 2013-2007; Lincoln Navigator 2012-2007B6 4600-Shock Absorber46mm Monotube Shock AbsorberBilstein 4600 SeriesMonotube Gas Pressure ConstructionImproved Ride And HandlingAdded Traction And Enhanced StabilityIncreased Performance Even When Towing Heavy LoadsVehicle Specific Ride TuningFord Expedition 07-11; R; 2WD/4WD; HDB6 4600-Shock AbsorberBilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUV's. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved. B6 4600 shock absorbers offer a significant improvement in ride quality, handling, and comfort.ShockB6 4600