Passar Z50, ST70 88-99, alla finska Z50, CRF50 00-> och alla replika Monkey/Dax 00->.
V2 toppen med 23,5/28,5 ventiler, rullvippor och race kam mm.
Race Head V2 Kit, 52mm Bore Kit, and Stroker Crank – This kit converts a stock 50 to 108cc and includes the Race Head V2.