Engine motor cylinder head valve top end assembly for a Honda CRF250X. Part number 12010-KSC-A10. Fits 2007–2009 and 2012–2017 models.
This cylinder head has been professionally rebuilt and is in very good, remanufactured condition. It has been upgraded beyond the original stock configuration with higher quality internal components for improved durability and performance.
Upgrades and work completed include new valve guides and guide seals, new steel intake valve with heavy duty spring kit installed, new exhaust valve with heavy duty spring kit installed, along with new keepers and retainers. The head has also received a professional 3-angle valve job.
Every critical component in this head has been replaced or upgraded, making this a very solid and durable setup that is significantly improved over the original stock configuration. It is ready to be used and bolted on.
Please review photos closely to confirm the condition and fitment of the head before purchasing. What you see in the pictures is exactly what you will receive.
⚠️ Hardware Disclaimer: Any hardware (bolts, clips, fasteners, etc.) — if any — shown in photos is not guaranteed to be included and should be considered a free extra if received. Listings are for the main part only unless specifically stated otherwise.