Air Assist Load Leveler Kit For Heavy Hauling. With Black Face On Board, In Cab Air Management. 2005 – 2010 Ford F250/F350 Super Duty 4×2 Trucks With 8 Lug Wheels. Will Not Fit Cab & Chassis Models. This is a bolt-on air bag bracket kit. No drilling into frame is required. Provides Up To 5000lbs Of Leveling Capacity. Kit Includes: 2 – Standard 2500lb Air Springs Direct Bolt On Air Bag Mounting Brackets With Hardware TowMaxxx Air Compressor 1/4″ Stainless Steel Braided Leader Hose 1/4″NPT Check Valve Premium 40 Amp Relay Relay Harness 15 Foot Roll of 1/4″ Air Hose 4 – Compressor Mounting Bolts Compressor Filter Relocate Kit Air Hose Cutter 6ml Bottle Of Medium Strength Threadlocker 1/4″NPT Brass Air Valve With Fittings Black Face, 200 PSI Air Gauge with Mounting Bracket 3 Position Fill/Off/Dump Rocker Switch LED Light Bulb 1/4″NPT Female to 1/4″ Hose Fitting 1/4″ Hose Tee Fitting 1/4″ Hose to 1/4″NPT To 1/4″ Hose Tee Fitting 1/8″NPT Female to 1/4″ Hose Barbed Fitting. Never exceed more than truck manufacturers maximum load recommendations.