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YX140 Race Valve Set

 

These valves have a different flow angle at the back of the head and a shallow well on the face of the valve. These changes will dirrect the air & fuel mixture into the chamber better and increase compression ever so slightly more.

 

Also Fits - Zongshen Z140

Item Includes:

  • 1x Race inlet valve 27x5x66
  • 1x Race exhaust valve 23x5x66

 

Please NOTE:

  • Valve seats may need cutting & guides honing upon installation.

YX140 Race Valve Set

SKU: YX140RVSSS
£29.99Price
Out of Stock
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