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Big valve head 22/19 modded

Big valve head 22/19 modded
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Big valve head 22/19 modded
Reference : MT100033
Big valve Head for YZF R125 old model / Xmax125, X city, WRX/R 125
intake and exaust duct habe been enlarge for a best efficience, according to the valves diameter.

admission valve : 22mm ( instead of 19mm)
exaust valve : 19mm ( instead of 16mm)

Allows a gaseous current improving the entrance of fresh gases and exit of burned gases.

Best use with a 180cm3 cylinder, but can be use with a 150 / 200cm3.

Deliver naked, with only valves.
competition use
2019-12-31 340.00340,00
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