1999–2006 Chevy Silverado / GMC Sierra 1500 Air Ride Suspension Kit – Air Lift Performance ALP4 27485
Complete Air Ride System for 1999–2006 Chevy Silverado & GMC Sierra 1500 Trucks
Bag your 1999–2006 Chevy Silverado or GMC Sierra 1500 2WD truck with this Air Lift Performance ALP4 Air Ride Suspension Kit (27485). Designed specifically for GMT800 NBS trucks, this complete system delivers adjustable ride height, improved ride comfort, and the aggressive lowered stance that bagged Silverado builds are known for.
This system features the advanced Air Lift Performance ALP4 digital air management system paired with dual airmaxxx air compressors and a 5-gallon aluminum air tank. The setup provides fast air response and dependable performance whether you're daily driving, cruising, towing, or building a fully bagged street truck.
Control your suspension using the Air Lift ALP4 touchscreen handheld controller, which displays real-time air spring and tank pressure. The system allows you to store five programmable pressure presets so you can quickly switch between ride heights for driving, parking, or a slammed show stance.
This plug-and-play Silverado air ride kit includes the major components needed for installation, including air bags, compressors, tank, wiring, and fittings for a clean professional setup.
Note: Some trimming or minor fabrication may be required depending on your suspension setup.
Optional Suspension Upgrades Available
This kit can be customized using the product options above to add additional suspension components for your build. These upgrades allow you to configure the system exactly how you want for your truck project.
Available upgrade options include:
Rear Suspension Components
Add rear suspension parts designed to work with your air ride setup for improved ride quality and easier installation.
Front Drop Spindles
Optional drop spindles help lower the front suspension while maintaining proper suspension geometry.
Ridetech Front Control Arms
Upgrade to Ridetech tubular control arms for improved suspension geometry, increased strength, and better alignment capability.
These optional components can be selected above when configuring your kit.
Key Features of the Air Lift ALP4 Silverado Air Ride System
Air Lift Performance ALP4 Digital Management
Advanced pressure-based air management system designed for precise suspension control and improved system performance.
Integrated Manifold & ECU
Compact manifold combines valves, sensors, and ECU into a single unit for simplified installation and clean air line routing.
5 Programmable Pressure Presets
Store multiple ride heights and instantly switch between cruising height, parking stance, or full lift.
Dual airmaxxx Air Compressors
High-output compressors capable of delivering up to 200 PSI for quick tank refill times and consistent air supply.
Complete Plug-and-Play Air Suspension System
Includes air management, tank, compressors, air springs, wiring harnesses, and fittings.
Kit Includes
Air Lift Performance ALP4 Digital Air Management with 3/8" Air Lines
(27485)
(2) airmaxxx Dual Air Compressors
(K-A580B2), (K-A580C2), (K-COMX2B)
airmaxxx Second Compressor Wire Harness
(AM-HARNESS)
airmaxxx Compressor Isolator Mounting Kit
(AM-ISO)
airmaxxx 5-Gallon 7-Port Air Tank
(AM-TAN-57-ABLK), (AM-TAN-57-ARAW), (AM-TAN-57-PS)
(4) 2600 Air Suspension Bags
(AB2600), (AL-ABD2600), (SS-ABSS7)
Front & Rear Air Bag Mounting Brackets
Warranty & Shipping
Lifetime Warranty on airmaxxx Air Bags
(Excludes punctures, abrasions, abuse, or improper installation)
1-Year Warranty on Air Compressors
2-Year Warranty on Air Lift ALP4
FREE Shipping within the USA (Lower 48 States)
Vehicle Fitment
2WD Models Only
1999–2006 Chevrolet Silverado 1500
1999–2006 GMC Sierra 1500
Platform: GMT800
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