Type:LoadLifter 5000 Air Spring Kit. Load Lifter 5000 Air Spring Kit. Up to 5,000 lbs. of load-leveling capacity. Upper and lower roll plates protect the air springs from possible abrasion and increase load capacity up to 10% Air adjustable from 5 to 100 PSI. The air springs used in the Load Lifter 5000 kits are built like a tire and are reinforced by durable 2-ply fabric for maximum strength. End caps made of ultra high strength, corrosion-proof, nylon composite which is as strong as steel but weighs less and will not rust. Compatibility: 2017-2019 Nissan Titan 4WD.