The FOX 2.5 Performance Series smooth-body IFP HTO shock for 2011–2019 GMC Sierra 2500 HD front applications (1.5–3.5" lift) delivers race-derived damping for improved on- and off-road control. It uses a 2.5" impact-extruded 6061-T6 aluminum body, internal floating piston and Hydraulic Top Out piston, application-specific valving, fully rebuildable internals and a 5/8" hard chrome shaft.
Fox 11-19 GMC Sierra 2500 HD 1.5-3.5in Lift Front 2.5 Performance Series Smooth Body IFP HTO Shock