The Air Lift 88338 LoadLifter 5000 Ultimate Helper Spring Kit for your 2011-2019 GM Silverado/Sierra 2500HD / 3500HD features all the benefits of the LoadLifter 5000 with the addition of an internal jounce bumper inside the spring for the ultimate in ride comfort.

The LoadLifter 5000 ULTIMATE works with your vehicles leaf springs to provide up to 5,000 lbs. of front load leveling capacity and keeps the vehicle riding stable, level and comfortable whether loaded or unloaded. The built-in closed-cell urethane foam jounce bumper inside the air spring provides a cushion of air that absorbs shock, eliminates harsh jarring on rough roads and protects vehicles carrying heavy loads. Never bottom out again with the ULTIMATE!

The Air Lift Air springs are built like a tire and are reinforced by durable,2-ply fabric for maximum strength. Exclusive upper and lower roll plates are included which protect the springs from sharp edges, such as brackets or the frame and help increase load capacity up to 10%. Includes 2 sir springs, mounting brackets, air lines, schroader valve, hardware and instructions.

• Built-In Internal Jounce Bumper
• Up To 5,000lbs Of Leveling Capacity
• Air Adjustable From 0 To 100 PSI
• Includes Roll Plates To Protect The Air Springs
• Quick Connecting, Easy-To-Use Air Fittings
• Built Like A Tire & Reinforced w/ 2-Ply Fabric For Maximum Strength

Note:

• Fits Dual (DRW) & Single Rear Wheel (SRW)
• Fits most side mounted fifth wheel hitch applications
• Will not fit Cab & Chassis models