Usage Tips:Sold as a pair left and right,Requires no maintenance;Enhances Load Carrying Ability 2800 Pounds Capacity At 50 Percent Compression,Reduces And Stabilizes Sway,Improves Overall Driver Control And Ride Comfort Compress up to 80 of height w/full memory rebound One Pc. On One Side As Replacement/Upgrade To Fact. Bump Stops Spring Rate Part Number:SSR-313-54 Fitment: for RAM 1500,2500,3500 Colour: yellow+Black Material: rubber +metal Package Contents: 1x Rear Air Helper Spring Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.