SuperSprings Rear SumoSpring Helper Springs Pair for 99-16 Ford F-250 F-350 RWD

Every SumoSpring is handmade with care, making each one unique with its own natural characteristics, such as slight color variations and surface bubbles, proof of the craftsmanship that goes into every piece.

Rear SumoSprings are a maintenance-free suspension enhancement built to create a better journey. Handmade from micro-cellular polyurethane, they are designed to reduce rear-end sag and increase load carrying ability while decreasing vibration, stabilizing sway, and softening harsh rebounds. 

• Sold as a pair left and right
• Made From Proprietary And Patented Microcellular Urethane
• Worlds Only Leak Proof Air Spring
• Never Load Any Vehicle Beyond The Manufacturers GVWR
• Requires no maintenance; Proudly made in the U.S.A.
• 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 Pct Original Height With Full Memory Rebound
• 1 Pc. Attached On Top/Bottom Will Stretch 50 Pct Of Body Height
• Progressive Spring Rate