Description
A 3.70 rear axle ratio delivers the sweet spot between acceleration and highway cruising—ideal for street-driven performance vehicles that need responsive throttle response without excessive RPM at speed. Whether you’re building a classic Ford or upgrading an existing 9-inch setup, this bolt-on kit simplifies installation and ensures proper gear mesh geometry. Backed by quality manufacturing, this ratio is a proven choice for drivers seeking reliable, repeatable performance.
- 3.70 gear ratio
- 28 spline pinion
- Ford 9-inch housing
- Complete kit
- Bolt-on installation






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