Here is a 31 spline Torsen Gleason unit for a standard size quick change with a 10" ring gear.
Torsen Differential Locker 31 Spline Quick Change Rear End Winters Frankland
Torsen #2297 Billet Aluminum Locker 31 Spline Differential for Quick Change
Torsen Locker Differential 31 Spline Quick Change Rear End
Torsen Differential 409200-0888B 31 Spline Quick Change Rear End
Torsen Locker Differential 31 Spline from Winters Quick Change Rear End J1
Winters Skid Plate, Quick Change Skid Plate, Bulldog DMI quick change Skid Plate
