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BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.
BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.

YFZ450 YFZ YZF 450 450R +1 Valve Lifter Complete Kibblewhite Valve Head Rebuild

by BPRATV
Original price $649.99 - Original price $649.99
Original price
$649.99
$649.99 - $649.99
Current price $649.99

FITS ALL YAMAHA 450cc ATVs AND MANY 450cc DIRT BIKES


Kibblewhite valve spring kit
Titanium retainers
Heat treated collars
+1 Kibblewhite stainless steel intake and exhaust valves
After market valve buckets/lifters
Kibblewhite bronze valve guides
Keepers 
Valve stem seals

Valves, springs, guides are all Kibblewhite.  Other parts are from different manufacturer.  Great for stock and a must have for a built motor.  All parts are new in the original packaging, and the original manufacturers' warranties apply*.

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 kit be installed by a qualified mechanic with experience working on these types of motors.  Warranty does not include any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  Piston comes with specific instructions for setting the ring gap.  If you do not follow these exactly your motor will fail.  For any warranty to be considered the part(s) in question must first be sent to us and possibly the manufacturer for inspection.  We can not warranty parts based on photos or phone calls alone. 

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