Description
If you’re serious about extracting maximum acceleration and lower cruising RPMs from your Ford 9-inch differential, a 6.33 ratio ring and pinion swap is one of the highest-impact upgrades you can make. This kit delivers the aggressive gear reduction needed for street performance, drag racing, or off-road work without sacrificing drivability. The 28-spline pinion design ensures reliable power transfer in high-stress applications.
- 6.33 gear ratio
- Ford 9-inch compatible
- 28-spline pinion
- Ring and pinion kit
- Performance-grade construction
- Bolt-in installation
- MPN: F890633
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