Cardinals Racing Cylinder Head Kit (23In/21Ex) - Yamaha R15

Cardinals Racing Cylinder Head Kit (23In/21Ex) - Yamaha R15

3.50 kg
No tax

The Cardinals Racing cylinder head kit has larger valves for better intake and exhaust air flow over the factory cylinder heads, allowing higher intake and exhaust gas flow higher to your engine. Comes with matching valves, valve springs, roller rocker arms and a matching performance camshaft.

This performance cylinder head is suitable for riders who want a little more power from their engine without hurting their wallets. Recommended if you already have a big bore kit or plan to upgrade to one. Ports are stock diameter. We recommend you to further widen and polish the Intake and Exhaust ports for better serious performance!



  • Camshaft Lift: In/5.8mm Ex/5.7mm
  • Intake and exhaust valves (23IN/21EX)
  • *Camshafts not included! You may purchase Cardinals Racing or other brand cams separately
  • *head gasket not included!
  • *You must reuse the original valve retainers, caps, springs, rocker arms etc for this kit.


Yamaha R15/YZF-R125/MT-15/MT-125/WR125


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