SuperSprings SSR-336-54-1 SumoSprings Fits 07-20 Sprinter 2500 Sprinter 3500Air Helper Spring SumoSprings SumoSprings; Maxim Kit; Capacity 2500 lbs. At 50 Percent Compression; Do Not Exceed GVWR; No Drill Required; SPECIFICATIONS: Max Load: 1200 lbs. FEATURES: Sold as a pair left and right Requires no maintenance; Proudly made in the U. S. A. Enhances Load Carrying Ability 2500 Pounds Capacity At 50 Percent Compression Reduces And Stabilizes Sway Improves Overall Driver Control And Ride Comfort Compress Up To 80 Pct Original