Speedtek=Quickchange Differential 10 Spline Gearsets

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Speedtek 10” Quick Change Differential Gearsets Universal FitmentCompatible with all quick change differentials using 10-spline shafts. Versatile Ratio SelectionOur gearsets are la beled from shortest to longest ratio, based on a 33-tooth crown wheel and 8-tooth pinion (33/8 = 4.12 final drive).Each gearset offers two usable ratios – a Low and a High – depending on how the gears are positioned in the differential. ### 🏁 **Dog Engagement Gearset Ratio Options** | # | Tooth Count | Low Ratio | High Ratio || -- | --------------------------- | -------- | --------- || 1 | 23 / 23 | 4.12 | 4.12 || 2 | 27 / 28 | 3.97 | 4.27 || 3 | 19 / 20 | 3.91 | 4.34 || 4 | 25 / 23 | 3.80 | 4.48 || 5 | 29 / 26 | 3.70 | 4.60 || 6 | 26 / 23 | 3.65 | 4.66 || 7 | 24 / 21 | 3.61 | 4.71 || 8 | 24 / 28 | 3.53 | 4.81 || 9 | 24 / 20 | 3.44 | 4.95 || 10 | 27 / 22 | 3.36 | 5.06 || 11 | 25 / 20 | 3.30 | 5.16 || 12 | 23 / 18 | 3.23 | 5.27 || 13 | 25 / 19 | 3.14 | 5.43 || 14 | 26 / 19 | 3.02 | 5.64 || 15 | 27 / 19 | 2.90 | 5.86 || 16 | 27 / 18 | 2.75 | 6.19 || 17 | 27 / 17 | 2.60 | 6.55 || 18 | 26 / 17 | 2.50 | 6.79 || 19 | 28 / 16 | 2.36 | 7.22 || 20 | 16 / 30 | 2.23 | 7.73 | Key Features Manufactured from Lightweight 8620H Billet Steel Precision-ground for ultra-smooth and quiet operation Optional ISOTROPIC SUPER FINISHING (ISF) available for reduced friction and improved durability Availability & Warranty Estimated Release: Late 2025 Standard Warranty: 6-month unconditional coverage Extended Warranty Program: Available upon request – Contact Us to learn more Show more