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COVID-19 Update: Orders placed after 10:00am PT on operational days will be processed the next day. Phone service has been suspended. Use our Contact Us page. Shippers are experiencing delivery delays. Due to rapidly changing market conditions, our advertised prices may be changed at any time without notice.


  • Brand:CRF's Only
  • Model:CO-RHC

Price : $399.99 $399.99

Available Options:
Bench Shim:
Performance Porting Service:

Quantity:
Honda CRF Race Head Conversion Service

CRF's Only Race Head Conversion Service

  • Install valve seats
  • Install valve guides
  • Performance valve job

Race Series Head Service Includes:

  • Disassemble and inspect head.
  • Complete head reconditioning includes meticulous soda blasting to remove power-robbing carbon deposits.
  • Solution clean head.
  • Install Kibblewhite valve guides.
  • Install MoldStar-90 non-beryllium copper valve seats.
  • State of the art CNC valve seat cutting. This is absolutely required for the highest quality results and durability of your valves and is often overlooked by inferior service shops.
  • Perform a proprietary CNC port to valve seat profiling for increased performance.
  • Assemble head and valve components.
  • Vacuum test head assure perfect valve seal.

Optional Services

  • Performance Porting For the best performance possible add our performance porting service.

Notes

  • We offer OEM and Kibblewhite valve components.  Contact Us if you need assistance with these parts
  • New or used valves are required to properly set valve stem protrusion
  • Photo shown with optional Race Series valve seats and guides
  • Ship your head to us at: CRF's Only, ATTN: Head Service, 201 S. Wineville Ave. Unit A, Ontario, California 91761
  • Provide contact information and order number in the package with your head
  • Allow 6-9 business days for this service to be performed
  • Once completed we'll send your had back to you (you pay return shipping)