Beefy Quick Change Gear Set 8500 Series 1.533 Spur Ratio Set 21A 10 Spline Includes 4.12 Ratios 6.32 2.69 And 4.86 Ratios 7.45 3.17 Steel Built For Automotive Differentials
✔️ 1.533 spur ratio, 10-spline steel; includes 4.12, 6.32/2.69 and 4.86/7.45/3.17 ratios
This beefy quick-change gear set is designed for automotive differentials, enabling rapid gear ratio changes for performance tuning in race, off-road, and track applications. It’s built from durable steel to withstand demanding conditions and is compatible with standard 21A 10-spline interfaces.
✅ 1.533 spur ratio
✅ 10-spline input
✅ Includes 4.12, 6.32/2.69, 4.86/7.45/3.17 ratios
✅ Steel construction for automotive differentials
💡 What is a quick-change gear set used for in automotive differentials? - handy quick-change gear set for street and track differential tuning - changes gear ratios quickly without full teardown - supports strong 10-spline interfaces and multiple ratios for race prep - helps match engine output to drivetrain in different conditions