8507A Quick Change Gear Set For Automotive Diffs, 1.143 Spur Ratio, 10 Spline, Steel Construction, Includes 4.12, 4.71 And 3.61, 4.86, 5.55 And 4.25 Ratios, Set 7A
✔️ 1.143 spur ratio, steel set with multiple ratios
Precision quick-change gear set designed for automotive differentials. The 8507A kit fits 10-spline inputs and offers multiple gear ratios to tune performance for street, race, and daily driving.
✅ 8500 series quick change gear set
✅ 1.143 spur ratio
✅ 10-spline input
✅ Steel construction for durability
✅ Includes ratio set 4.12, 4.71, 3.61, 4.86, 5.55, and 4.25
✅ Pack: Set 7A
💡 What is a handy use case for a quick change gear set in a car differential? This handy kit helps you dial in performance by changing final drive ratios for different driving conditions.
- Improves launch torque for street and track use
- Optimizes highway cruising with taller gears
- Enables precise tuning for street, highway, or track days
- Built with steel for durability under demanding use