Superlift Front Quad Shock, 4" Lift, 73-91 Blazer. Superide shock absorbers are designed to provide exceptional ride quality, durability and longevity at a very affordable price. Ten-stage velocity sensitive valving allows maximum control on road or off, without sacrificing a comfortable ride. Shock resistance continually adjusts depending on terrain and vehicle speed. This time-proven design allows the shock to take a licking and keep on ticking.