09-13 YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves YZ400F For more questions about this

For more questions about this statement see the eBay return policy

- Impeller

TRX450R (2006-2009)

and it is the responsibility of the person assembling and tuning the engine to make sure all the parts are correct and work properly

Works on all OEM or aftermarket 96mm cylinders

09-13 YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves YZ400F For more questions about thisFITS ALL '09 13 YAMAHA YFZ450R MODELS! Brand new full race port and polish Complete head assembly (NO CAMS) Kibblewhite chrome silicone valve springs Titanium retainers Heat treated collars Kibblewhite stainless steel valve conversion (intake and exhaust) Kibblewhite viton valve stem seals Valve keepers Great for stock and really great for built engines. Add cams starting at $450 (including installation). Everything is new in the original packaging