About the air suspension kit. Note:Not fit for the IN-BED HITCH model. About the air spring controller kit. UNIVERSAL FIT FOR MOST 1/2, 3/4 AND 1 TON PICKUPS AND VANS. For Dodge ram 1500 2500 3500. For Chevy Siverado 1500 2500 3500. For GMC Sirra 1500 2500 3500. For Ford F150 F250 F350. For Toyota Tundra Tacoma. 1? Minimum PSI: 5 PSI, Maximum PSI: 100 PSI. 2? Placement on Vehicle: Rear left and right. 3? Load capacity:Up to 5000 LBS. 8? Stress Test Over 3,000,000 Times:Durable and Safe. 9? Burst Pressure? 2.0MPa:High Compressive Strength and Less Noise. 10? 24 Hours Air Tightness Test? 0.02MPa:100% Air Tightness Guarantee. 11? Temperature Range? -40? /? 70? :Premium Natural Rubber Material. 12? Use high-quality steel with high load-bearing capacity and long life. 13? Excellent and practical bolt-on installation. 14? Safe carrying capacity and stability. 15? Restore the original ride height and improve ride quality. 16? Ensure our driving comfort and reduce tire wear. 1? Allows you to monitor and adjust the air pressure in the air spring bag from the driver’s cab. 2? Performs well for light-duty or medium-duty applications and for occasional hauling or towing. 3? Includes onboard air compressor, single-gauge dash panel, air lines and hardware. 4? Compatible with any brand of air springs. 5? Single-path controls let you adjust 1 pair of air springs/shock. 6? Strict quality inspection to ensure long-term use without damage. 7? Maximum air pressure: 120 psi. 8? Recommended working pressure: 5-70 PSI. 9? Wire harness has flame retardant properties. 10? The air compressor has quality assurance. 11? The air compressor has a waterproof casing. 4x Upper and lower mounting brackets. Includes All Brackets & Hardware Needed to Install. 1 x 12V MXR Air Compressor(Black). 1 x Gauge panel (Push buttons for up and down). 1X Air Line? 61(6M). 1X Wire harness (2.5 M) black. 1X Wire harness (8.5 M) red. 1X Relay harness(1M). 3 x T Connectors. 2 Year for Any Manufacture Defect. There’s Electronic Instruction. Professional installation is suggested. Other items you might also like. Suspension Enhancement System Rear L+R For Ford F250 Super Duty 2WD 4WD 2017-23. Air Compressor Pump For Mercedes Benz X166 GL350 GL 400 GL500 GL63 1663200204. Front Air Suspension Bag for Mercedes R-Class W251 V251 R350 R500 2513203113. Universal Air Suspension Helper Spring + Compressor Kit Fit Ford F150 F250 GMC. Front Upper Strut Tower Bar Brace for Honda Civic EG EK CRX 92-00 Del Sol 92-97. Air Suspension Spring Kit 5000 lbs For GMC Sierra Chevrolet Silverado 1500 99-07.