Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 5.77 2.94 4.86 6.80 3.47 WIN8514A

Quick change gear sets are essential for racers who demand flexibility without breaking down their entire rear end between sessions. The Winters 8500 Series delivers multiple ratio options in a single package, letting you optimize acceleration and top-end performance for different track layouts and conditions. With proven 10 spline engagement and premium steel construction, this set handles the demands of competitive racing while maintaining the reliability you need to finish strong.

The 8514A configuration provides two distinct ratio combinations—4.12 and 4.86 gearing—giving you the precision tuning required to dial in your vehicle's performance. Whether you're chasing launch grip or maximizing trap speed, these gears integrate seamlessly with your 8500 Series quick change rear end for rapid ratio changes between runs.

• 8500 Series compatible
• 10 spline engagement
• 4.12 ratio pair: 5.77 / 2.94
• 4.86 ratio pair: 6.80 / 3.47
• Premium steel construction
• Sold individually (each)
• Bolt-in fitment
• MPN: WIN8514A