The Skyjacker Nitro shock for 1987–1991 GMC R1500 Suburban applications employs multi-stage, velocity-sensitive valving to manage compression and rebound for steadier suspension control. Built with a hardened, double-chrome rod and protective boot, the twin-tube construction and poly bushings support durable operation while the valving helps tame stored spring energy for smoother handling under load.
Skyjacker 1987-1991 GMC R1500 Suburban Nitro Shock Absorber