Step 1
Air Management
Choose the valves and controls that raise, lower and level your suspension.
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1988–1998 Chevy / GMC OBS Welded Step Notch with Bridge Bars
Application-specific welded step notch for 1988–1998 Chevy and GMC 1/2-ton OBS trucks. Designed to create the rear axle clearance needed for low air-suspension builds while incorporating key rear suspension mounting points.
Fitment & wheel size
- 1988–1998 Chevy / GMC 1/2-ton full-size pickup
- OBS applications
- Designed for builds running up to approximately 24-inch wheels with low-profile tires when installed as intended
Includes
- Fully welded step notch
- Bridge / cross bars
- Upper shock mounts
- Panhard-bar frame mount
- Frame filler plates
Installation note
Requires frame cutting, welding and fabrication. Confirm wheel/tire diameter, axle position and laid-out height before final installation.
Build the complete system
What Else Do I Need?
Most air-suspension builds need more than one component. Use these categories to complete the system, then contact us if you want help matching parts.
Step 2
Air Bags & Mounts
Match bag size, travel, port size and available chassis clearance.
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Step 3
Compressors
Build dependable air supply around the tank size and pressure your system needs.
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Step 4
Air Tanks
Select tank capacity and port layout for the space available in your build.
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Step 5
Fittings
Finish the plumbing with the correct thread and air-line sizes.
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Step 6
Air Line
Route the system with the line diameter required by your valves and fittings.
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