Here is a used set of 10 spline quick change gears. They are set 42. They are 6.85 with a 4.11 ratio ring and pinion and 8.10 ratio with a 4.86 ring and pinion.
SCS Gears 1037 Quick Change Gear Set Sportsman Set 37 10 Spline 4.11 Ratio
Winters 4408 Quick Change Gear Set 4400 Series Set 8
SCS Gears 25 Quick Change Gear Set Professional Series Set 25 10 Spline
SCS Gears 1023 Quick Change Gear Set Sportsman Set 23 10 Spline 4.11 Ratio
SCS Gears 12 Quick Change Gear Set Professional Series Set 12 10 Spline
SCS Gears 1028 Quick Change Gear Set Sportsman Set 28 10 Spline 4.11 Ratio
