They are set 10. They are 5.55 with a 4.11 ratio ring and pinion and 6.56 ratio with a 4.86 ring and pinion.
QUARTERMASTER Quick Change Gears Set 26 27/29 Tooth 4.42/5.22 Ratio WINTERS
Quick Change Gears Set 26 27/29 Tooth 4.42/5.22 Ratio WINTERS QUARTERMASTER
Quick Change Gears Set 15C 17/18 Tooth 4.35/5.15 Ratio WINTERS QUARTERMASTER
QuarterMaster Ultra Duty Set #18 Quick Change Gears & Case 10 Spline 5.19-6.13
Quick Change Gears Set 2 26/27 Tooth 4.26/5.04 Ratio WINTERS QUARTERMASTER #6
Quick Change Gears Set 20 20/26 Tooth 5.34/6.32 Ratio QUARTERMASTER WINTERS