Description
Quick gear changes are critical in competitive racing—they let you dial in performance for different track conditions without breaking down your entire rear end. The Winters 8500 Series 31A gives you two proven ratios in one compact package, so you can optimize acceleration or top-end speed depending on your strategy. Built from steel with precision engineering, these gears transfer power reliably lap after lap.
The 10-spline configuration ensures compatibility with Winters quick change systems, making swaps fast and hassle-free between sessions. Whether you’re drag racing, road racing, or circuit work, having 4.12 and 4.86 options on hand eliminates the guesswork and keeps you competitive across varying track layouts.
- Series: 8500
- Set Number: 31A
- Spline Configuration: 10-spline
- Gear Ratios: 4.12, 4.86
- Material: High-quality steel
- Fitment: Winters quick change rear ends
- Installation: Bolt-on design
- Sold As: Single set
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