Sold As A Pair [Left And Right],Upgrade To Factory Bump Stops,One-Piece Unit Attached On One Side Used As A Replacement,Never Load Any Vehicle Beyond The Manufacturers GVWR,Improves Overall Driver Control And Ride Comfort,Maintenance-Free,Compress Up To 80 Pct Original Height With Full Memory Rebound,Enhances Load Carrying Ability,Will Not Leak Or Rupture,Made From Proprietary And Patented Microcellular Urethane,Reduces And Stabilizes Sway,1500 Lb Capacity At 50% Compression