TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models

Replacement TB 51mm Stroker Crankshaft- 6v Type with long rod for 3 and 4 speed models.

Note: Only for use with 4 speed CT70H, SL70, and XL70. Also for 81 & up ATC70 and 3 speed 80-81 CT70

Must use compatible TB Parts piston.