Each CRF's Only head is professionally assembled with Kibblewhite stainless steel valves. Valves seats are cut and a proprietary port to valve seat profiling performed for increased performance using a state-of-the-art NEWEN CNC machine. This same NEWEN technology is used by top race teams in all of motorsports such as F-1, NASCAR, NHRA etc. Don't settle for less when the best is so affordable.
- New OEM CRF450R head
- Kibblewhite Stainless Steel Intake valves
- Kibblewhite Stainless Steel Exhaust valves
- Kibblewhite seals and spring kit
- New OEM valve cotters
- Valves professionally installed
- Ready to bolt on and ride
OPTIONAL: Performance porting service for even more performance from this head. Bench Shim service requires you to ship to us your entire cam carrier, cam, shim buckets, rocker assembly and shims.