40 Teeth, Short Shaft Speedometer Gear | 5206764040 tooth speedo gear fits all TJ and late model XJ 231 transfer cases. View the chart below to find your correct application. Speedometer gear part number 52067640 5. 38 5. 13 4. 88 4. 56 4. 10 3. 73 3. 55 44 32T 31T 29T 27T 42 34T 32T 30T 28T 40 35T 34T 32T 30T 27T 39 36T 34T 33T 31T 28T 38 37T 35T 34T 31T 28T 26T 37 38T 36T 35T 32T 29T 26T 36 39T 37T 36T 33T 30T 27T 35 40T 38T 37T 34T 31T 28T 27T 33 41T 39T 36T 33T 30T 28T 32 40T 37T 34T 31T 29T 31