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BPRATV will be closed for the Thanksgiving holiday. We will resume shipping orders on Monday, December 2nd. We are thankful for our amazing customers for making this one of our best years yet! Wishing you and your families a wonderful Thanksgiving! 🙏🦃
BPRATV will be closed for the Thanksgiving holiday. We will resume shipping orders on Monday, December 2nd. We are thankful for our amazing customers for making this one of our best years yet! Wishing you and your families a wonderful Thanksgiving!

YZ450F YZ WR 450F +1 Kibblewhite Valves Valve Springs Lifters Buckets Head Kit

by BPRATV
Original price $599.99 - Original price $599.99
Original price
$599.99
$599.99 - $599.99
Current price $599.99
FITS '03-09 YZ450F and '03-13 WR450F
  • Kibblewhite lightweight chrome silicone springs
  • Titanium retainers
  • Heat treated collars
  • White Diamond +1mm stainless steel intake and exhaust valves
  • After market valve spring lifters/buckets
  • Bronze valve guides
  • Valve keepers
  • Valve stem seals
  • Top end gasket kit

You need to modify your head to run +1mm valves (we can do this if you need).  Everything is new in the original packaging and the original manufacturer's warranty applies*

Please check your order thoroughly when you receive it and contact us if you have any issues at all.  If you are not 100% happy with what you receive you are welcome to return it for a full refund, not questions asked!  Thanks!!

*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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