Sold As A Pair [Left And Right],Compress Up To 80 Pct. Of Original Height w/Full Memory Rebound,Made from patented micro-cellular urethane,Reduces And Absorbs Vibration,Never Load Any Vehicle Beyond The Manufacturers GVWR,Improves Overall Driver Control And Ride Comfort,Maintenance-Free,Increases safety,Will Not Leak Or Rupture,Reduces overall cost of ownership,Progressive Spring Rate With Superior Damping Properties,1800 Lb Capacity At 50% Compression