Part Number: 8521A. Manufacturer: Winters. Quick Change Gear Set - 8500 Series - 1.533 Spur Ratio - Set 21A - 10 Spline - 4.12 Ratios 6.32 / 2.69 - 4.86 Ratios 7.45 / 3.17 - Steel - Each.
Winters Quick Change Gears 8507
5.37 / 5.84 6 Spline Winters Quick Change gears NASCAR 4 cyl. NICE
5.94 / 6.45 6 Spline Winters Quick Change gears NASCAR 4 cyl. NICE
Winters Quick Change Gears 8509
Winters Quick Change Gears 8512
Winters Quick Change Gears 8517
