Description
If you’re pushing your Ford 9-inch to its limits, your gear ratio directly determines how hard your engine works and when you hit peak power. The 5.37 ratio in this AX series kit delivers aggressive acceleration off the line while maintaining reasonable highway cruising—ideal for street-strip applications and dedicated track builds. This complete ring-and-pinion kit installs into your existing 9-inch housing without requiring additional fabrication, making it a straightforward upgrade for both professional builds and serious DIY projects.
- 5.37 gear ratio
- Ford 9-inch compatible
- AX series construction
- 28-spline pinion
- Ring and pinion kit
- Bolt-in installation
- MPN: F890537AX
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