KYB 21-23 Ford F-150 King Ranch/Lariat/XL/XLT/Limited (w/ Off Road Susp.) Gas-a-Just Shock - Rear - 5550021

The Gas-a-just monotube shock absorber is available as an OE monotube replacement to restore your vehicles original capabilities. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.