Description
A 4.11 gear ratio transforms your Ford 9-inch differential into a serious acceleration machine, delivering quicker off-the-line response and improved mid-range punch—essential for track days, bracket racing, or any application where immediate throttle response matters. This kit provides the deeper ratio your engine needs to maximize power delivery across the RPM band without sacrificing highway cruising capability. Whether you’re building a dedicated race car or upgrading a street machine, the 4.11 is the go-to ratio for performance-oriented Ford differentials.
- 4.11 gear ratio
- Ford 9-inch housing
- 28-spline pinion
- Complete kit
- Performance-grade construction
- Bolt-in installation
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