15-20 Ford F-150 (4WD) Suspension Shock Absorber - Rear

● Nitrogen gas is added to specific shock absorbers to reduce oil foaming and strut fade, while providing a consistant high quality ride experience.
● GSP's dual-layered, chrome finished piston rods provide superior corosion resistance guaranteeing maximum seal life in even the most extreme environments.
● Cold-Extrusion - Steel becomes malliable and then forced through to create a higher strength of metal and a better surface finish