Setting Up a Ford 9 Inch Pass Through Axle

Finding a solid ford 9 inch pass through axle for a tandem setup or a specialized off-road rig can be a bit of a hunt if you don't know exactly what to look for. Most people are familiar with the standard Ford 9-inch—it's arguably the most famous rear end in the history of hot rodding and racing. But when you start talking about "pass through" versions, you're entering a whole different world of custom fabrication and heavy-duty engineering. ...

February 27, 2026 · 7 min · Stevo Anduena