Product description
                        Set of heavy duty valve springs for OT cylinder heads, 50cc & 70cc.
 This prevents floating valves at very high revs.
 Not necessary with standard engines, choose the original one.
 Fits many models, such as:
 SS50, CD50, C50 C70 6 volts Dax, Monkey, Gorilla etc. 
 From the quality brand Kitaco.