2nd gear for countershaft is 20 tooth 4-speed models.
Fits:
XL 1958-1990
UOM: EA
Country Of Origin: TAIWAN
OEM Cross Reference: 35750-58A
Accessory Items:
16-0139 – Transmission Door Puller Tool
16-1807 – Clutch Adjuster Gauge Tool Set
16-0650 – Primary Drive Lock Tool with Step