Here’s a nice set of 10 spline quick change gears. Small gear is 21.
Torsen Differential Locker 31 Spline Quick Change Rear End Winters Frankland
Winters Quick Change Rear End Billet Aluminum 31 Spline Spool
Winters Set #20 Polished Pro Quick Change Rear End 5.36-6.39 Gears 10 Spline
QuarterMaster Set #11 Quick Change Rear End 5.04-5.95 Pro Gears 10 Spline
Winters 5114-01 Quick Change Rear End Aluminum Detroit Locker Differential
Quick Change Rear End Fill Tank Kit Deck Mount - 10 AN Fittings IMCA USRA Racing
