Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8528A

Description

If you’re running a Winters 8500 Series quick change rear end, swapping gear ratios between races is the fastest way to dial in your setup for different track layouts and conditions. This steel gear set gives you two proven ratios—4.12 and 4.86—so you can optimize acceleration, top speed, and overall performance without changing your entire differential. Built tough from high-quality steel with a 10-spline design, these gears deliver the durability and power transfer you need in competitive racing.

Key Specifications:

• Series: 8500 Series
• Spline Count: 10 Spline
• Gear Ratios: 4.12 / 4.86
• Ratio Breakdown (4.12): 6.54 / 2.59
• Ratio Breakdown (4.86): 7.71 / 3.06
• Material: Steel
• Part Number: WIN8528A
• Fitment: Winters 8500 Series quick change rear ends
• Installation: Bolt-on gear swap