Head YX140 BLANK High compression with correct squish band for high comp pistons
This is our stock head up grade for the YX140 to correct the lack of squish band on the stock YX140 heads.
Please note this head will not work with the standard YX140 piston, needs to run the high comp kit part number 7704
Having the right squish makes the combustion happen in the right place giving the the right AFR.
The head has valve seats cut ready to use and has finished guides