Stroker crank upgrade kit – 1969-79 Z50 & 3 Speed CT70 Frame Displacement

Displacement

The Shinko Mobber Tire

Kit includes all bearings and seals required to refit a wheel Replace O

Kit includes all required bearings and seals

Durable Stainless steel spring pin will not rust like OEM steel pins

Stroker crank upgrade kit – 1969-79 Z50 & 3 Speed CT70 Frame DisplacementStroker crank upgrade kit 1969 79 Z50 & 3 Speed CT70 TBparts Stroker Crank Upgrade Kit. This is for 1969 79 z50s and 3 speed CT70s that already have our 88cc race head kit installed. This includes the 51mm stroker crank, proper matching piston, high volume oil pump, and necessary gaskets. Fitment note This is for 1969 79 z50s, 3 speed CT70s, and 1973 80 ATC70 that already have our 88cc race head kit installed