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.
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.
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