Kibblewhite Black Diamond Intake Valve Conversion Kit
Stainless steel conversion kits include only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts
Include forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
Specifically designed and engineered for each application
Made in the U.S.A.
Product Note:
Specification
Details
Country of Origin
USA
Material
Stainless Steel
Position
Intake
Valve Lift
.420 in.
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Yamaha
YZ250F 4-Stroke 2019-2021
YZ250FX 4-Stroke 2020-2021
Customer Reviews
Black Diamond Valves
By Karl K. on
Verified Purchaser
Installed just the intake set on my 06 yz and have got a couple light hours on them with no issues, they lapped in well and seated tight and were within spec with the OEM pads.
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Questions & Answers
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