Fits all Z50, ST50 and ST70 (Monkey & Dax 1968-79
The famous TB V2 head with 23,5/28,5 valves, roller rockers and race cam etc.
Race Head V2 Kit, 52mm Bore Kit, and Stroker Crank – This kit converts a stock 50 to 108cc and includes the Race Head V2. Also, includes a high volume oil pump and cam sprocket.
Att! Look att pic no 3 to see the flywheel compatible with the crank in this kit.