YFZ450 YFZ 450 Ported Assembled Head Assembly Kibblewhite Valves Springs Porting

FITS ALL YAMAHA YFZ450 CARB MODEL ATVs AS WELL AS 03-05 YZ450F

BRAND NEW OEM Yamaha cylinder head
Full race port and polish
Kibblewhite spring kit
Kibblewhite stainless steel intake and exhaust valves
Valve stem seals
Valve keepers
Complete assembly


Please check your order thoroughly when receiving it. If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue. If for any reason at all you are not happy with your order you are welcome to return itUNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*We recommend that this be installed by a qualified mechanic with experience doing this type of work. Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse. For any warranty to be considered the part(s) in questions must first be sent to us for inspection. We can not warranty anything based on phone calls or photos alone.







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