| 5/8 x 18 fine thread for keyed crank. - Center hole is for 5/16 clutch stud
- nut is 1 1/4
5/8 x 18 fine thread for splined crank. - center hole is for 3/8 clutch stud
- nut is 1 1/4
9/16 x 18 fine thread for keyed crank - Center hole is for 5/16 clutch stud
- nut is 9/16
9/16 x 18 fine thread for splined crank - Center hole is for 3/8 clutch stud
- nut is 9/16
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