8500 Series Gear Set For Automotive Differential Ring And Pinion, 1.588 Spur Ratio, 10 Spline, Steel Construction, Set 28A, Includes 4.12, 6.54/2.59, 4.86, And 7.71/3.06 Gear Ratios, Built Tough For Real World Street And Track Duty

8500 Series Automotive Differential Gear Set with 1.588 Ratio
✔️ Set 28A, 10-spline, 1.588 ratio; includes 4.12 and 6.54/2.59

These gear sets are designed for automotive differentials, replacing stock ring and pinion gears to change final drive for improved acceleration and highway efficiency. Built from steel for rugged road and track duty.

✅ 1.588 spur ratio with 10-spline input
✅ Steel construction for durability and long life
✅ Includes multi-gear options: 4.12, 6.54/2.59, 4.86, 7.71/3.06
✅ Pack: Set 28A designed for automotive differential ring and pinion

💡 What is an automotive differential gear set used for in street and track driving?

- It optimizes final drive for better launches and highway cruising - It improves torque distribution and wheel grip during acceleration - It supports improved high-speed stability for highway driving