The 9 inch Rear APEX Short Truss is a compact, patent-pending truss for reinforcing a fabricated Ford 9-inch rear housing with a centered differential. At just 11 lbs of 3/16" steel, its peaked-top design braces the axle tubes against bending loads while staying short enough to tuck between the leaf springs on a spring-under build.
Key Features
- Patent-pending APEX peaked-top design provides more rigidity than a flat-top truss
- CNC laser cut in-house from 3/16" mild steel — lightweight at only 11 lbs
- CNC bent in-house to drop onto the axle ready to weld, with no puzzle-piece assembly
- Short footprint fits between leaf springs, ideal for tighter rear packaging
- Roughly 70% less welding than previous truss designs for less warping and faster turnaround
- Contours to the differential casting; suits Spidertrax and similar fabricated 9-inch housings
Fitment & Compatibility
Designed for fabricated Ford 9-inch rear housings with a centered differential, including Spidertrax housings. The short profile is intended to fit between leaf springs. Some trimming of the truss or non-essential casting areas may be needed due to casting variances. For chromoly housings, use appropriate weld rod with pre- and post-heat. Welding required.
Specifications
| Specification | Detail |
|---|---|
| Material | 3/16" mild steel, CNC laser cut and bent |
| Weight | 11 lbs |
| Axle | Fabricated 9-inch, centered differential |
| Design | Patent-pending APEX peaked-top short truss |
| Welding | ~70% less than prior truss designs |
What's in the Box
- One 9-inch rear APEX short truss
Frequently Asked Questions
What axle does this truss fit?
It's built for fabricated Ford 9-inch rear housings with a centered differential, such as Spidertrax. Some trimming may be required due to casting variance.
Why a short truss?
The short footprint fits between leaf springs, making it a good choice for spring-under or tight rear setups where a full-length truss won't clear.
How do I weld it on without warping the housing?
Alternate welds side to side and manage heat; the peaked APEX top needs about 70% less welding than older designs. Chromoly housings require the correct rod plus pre- and post-heating.
Are there versions for other axles?
Yes. Artec offers short trusses for other one-ton housings, including the 14-bolt and Sterling axles.
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