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YFZ450 / YFZ450R Kibblewhite Complete Head Rebuild Kit

Regular price$662.00
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YFZ450 / YFZ450R Kibblewhite Complete Head Rebuild Kit – Valves, Springs, Retainers & More

This complete Kibblewhite head rebuild kit is designed to bring performance, durability, and longevity to all Yamaha YFZ450 and YFZ450R models—both carbureted and fuel injected. Built from industry-leading materials and engineered for bolt-on use with no machining required.


What’s Included:

  • Kibblewhite White Diamond stainless steel intake & exhaust valves

  • Kibblewhite viton valve stem seals

  • Kibblewhite bronze valve guides

  • Kibblewhite chrome silicone valve springs

  • Kibblewhite titanium retainers

  • Kibblewhite heat-treated spring collars

  • Valve keepers (locks)

  • No machining required — designed as a direct bolt-on solution


Fitment:

Fits ALL Yamaha YFZ450 and YFZ450R models and years, including:

  • YFZ450 (Carb models: 2004–2009)

  • YFZ450R (Fuel-injected models: 2009–2024)


Warranty Info:

We stand behind all parts we sell. Manufacturer warranty applies to all Kibblewhite components. Improper installation, tuning, or abuse will void the warranty. Parts must be returned for inspection to qualify. Installation by a qualified mechanic is highly recommended.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

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