Winters Quick Change Gear Set 8500 Series 10 Spline Steel 4.12 4.86 Ratios WIN8528

Quick change gear sets are essential for racers who demand flexibility across different track configurations without swapping entire rear ends. The Winters 8500 Series lets you dial in your final drive ratio between runs, optimizing acceleration and top speed for each specific racing scenario. With dual ratios engineered into a single set, you gain competitive advantage with zero downtime.

The 10 spline design ensures positive engagement and eliminates slippage under load, while the steel construction delivers the durability required for sustained high-RPM racing. Whether you're chasing low-end grunt with the 4.12 or extending your top-end with the 4.86, this gear set delivers repeatable performance lap after lap.

• Winters 8500 compatible
• 10 spline design
• 4.12 ratio included
• 4.86 ratio included
• Steel construction
• Sold individually
• 4.12: 6.51 / 2.61
• 4.86: 7.67 / 3.08