KYB Shocks & Struts Gas-A-Just Rear FORD F250 (Exc. Super Duty Models) (4WD) 1980-91 FORD F350 (Exc.

The KYB Gas-A-Just shock absorber uses a monotube design with two separate working chambers. One chamber holds an air-free hydraulic piston and valve system for responsive control, while the other contains a high-pressure nitrogen gas charge with a floating piston. This setup allows the shock to automatically adjust to your driving needs, providing a comfortable ride during normal conditions and delivering instant performance when you demand it, without experiencing fade.

This design helps ensure that your vehicle's electronic safety systems, which rely on proper suspension function, continue to operate as the manufacturer intended. By maintaining the intended suspension performance, these shocks contribute to the overall stability and responsiveness of your truck.