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14+ YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves

$1,799.99

Compatible Vehicles
Submodel Year Make Model
-- 2021 Yamaha YFZ450R
-- 2020 Yamaha YFZ450R
-- 2019 Yamaha YFZ450R
-- 2018 Yamaha YFZ450R
-- 2017 Yamaha YFZ450R
-- 2016 Yamaha YFZ450R
Special Edition 2016 Yamaha YFZ450R
-- 2015 Yamaha YFZ450R
-- 2014 Yamaha YFZ450R
Team Yamaha 2014 Yamaha YFZ450REL
-- 2021 Yamaha YFZ450RSE
-- 2020 Yamaha YFZ450RSE
-- 2019 Yamaha YFZ450RSE
-- 2018 Yamaha YFZ450RSE
-- 2017 Yamaha YFZ450RSE
Special Edition 2015 Yamaha YFZ450RSE
Special Edition 2014 Yamaha YFZ450RSE

FITS ALL YAMAHA YFZ450R 2014+ MODELS!  IN STOCK READY TO SHIP IMMEDIATELY!


BRAND NEW OEM Yamaha cylinder head
Kibblewhite valve spring kit
Kibblewhite stainless steel intake and exhaust valves
Valve stem seals
Valve keepers
Head assembly with above parts only

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 it UNOPENED 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.