YFZ450 YFZ Valves Kibblewhite Valve Springs KPMI Complete Head Rebuild Parts Kit

FITS ALL YAMAHA YFZ450 AND YFZ450R CARB AND FI MODELS AND YEARS Kibblewhite chrome silicone valve springs Kibblewhite titanium retainers Kibblewhite heat treated collars Kibblewhite White Diamond stainless steel valves Kibblewhite bronze valve guides Kibblewhite viton valve stem seals Valve keepers This is a bolt on kit with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging and the manufacturer's warranties apply***. Returns: Please check your order completely right when you receive it and let us know immediately if there is an issue.  This way we can fix it for your ASAP.  We accept returns within the first 30 days for orders sent back 100% complete and all parts brand new, never installed or prepped for installation, in the original packaging.  Parts that do not meet these requirements are not refundable. ***Warranty: We stand behind all parts we sell 100%.  If after installation there is an issue contact us for a warranty r