Gas struts with front springs Fits Ford Ranger models 2012 to 2018 Specifications For heavy-duty use Charged with nitrogen gas with refillable capability Rebuildable EDP high corrosion protection Adjustable spring perch 56mm (2.2 inch) body 3mm high wall thickness High oil volume 50mm aluminum piston for maximum off-road handling FKM HNBR 3-stage seal Natural rubber for reduced noise and vibration transfer and increased flexibility