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

  • Brand:CRF's Only
  • Model:CO-PNP

Price : $299.99 $299.99

Available Options:
Valve Job:
Bench Shim:

Honda CRF Performance Porting Head Service

Performance Porting Head Service

Unleash horsepower with our Performance Head Porting Service.  This is a race proven head porting service that will not only increase horsepower but improve the responsiveness of your engine.  A must for all serious racers and highly desirable for any Honda CRF owner.

Unlike many budget porting services the CRF's Only performance porting service is a result of extensive R&D efforts using state of the art Port Flow Analysis to achieve the best possible performance.  Besides standard porting techniques we also employ state of the art NEWEN CNC technology for repeatable port to valve seat blending.  Port flow analysis ensures the best balance between port velocities, volumes and total CFM.  State of the art technology coupled with extensive R&D and race proven results ensures the best possible performance porting service at any price.

This service includes head reconditioning and custom porting  service. 

Head Reconditioning

  • Disassemble and inspect head
  • Clean and meticulous soda blast head
  • Solution clean head and further inspect head, valve guides and valve guide parts
  • Perform a meticulous performance proven porting for the exhaust and intake ports
  • Perform a proprietary CNC port to valve seat profiling and blending

Optional Valve Job

  • Valve seats receive professional multi-angle cuts. This step is absolutely required for quality results and the durability of your valves and yet is often overlooked by inferior service shops


  • This is a service only and does not include valve components
  • We offer OEM, Kibblewhite and other manufacturer's valve components.  Contact Us if you need assistance with these parts
  • Provide contact information and order number in the package with your head
  • Allow 1-2 weeks for this service to be performed
  • Once completed we'll send your had back to you (you pay return shipping)
  • Valves shown in photo are not included in this service
  • Do not ship your head until you receive an email from us on what to ship and where to ship it.

Got the 2.0 head service...head looks awesome...especially comparing port work with my Pro Circuit head!!! ...

Rated by Ken G.