Here is a used set of 10 spline quick change gears. They are set 20. They are 5.34 with a 4.11 ratio ring and pinion and 6.32 ratio with a 4.86 ring and pinion.
Quick Change Gears Set 22 19/25 Tooth 5.41/6.39 Ratio QUARTER MASTER WINTERS
QuarterMaster Quick Change Gears Set 10 20/27 Tooth 5.55/6.56 Ratio Winters
Quick Change Gears Set 13 20/25 Tooth 5.14/6.08 Ratio QUARTER MASTER WINTERS
Quick Change Gears Set 26 27/29 Tooth 4.42/5.22 Ratio WINTERS QUARTERMASTER
Performance Engineering & Mfg 61011 Standard Quick Change Gears - Set 11 NEW
Performance Engineering & Mfg 61028 Standard Quick Change Gears - Set 28 NEW