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09 CRF250R titanium exhaust valves?

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Unless you are building an ultra high-rev race engine, IMO you would trade off a lot of longetivity.

 

Lighter Ti would no doubt require lighter springs and, perhaps even some different hardness valve seats.

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Unless you are building an ultra high-rev race engine, IMO you would trade off a lot of longetivity.
 
Lighter Ti would no doubt require lighter springs and, perhaps even some different hardness valve seats.

Yeah I hear ya. I was looking at a new Cylinder Works Race Head and I found a good deal on 4 Kibblewhite Ti valves, but I think I’ve decided that I’m going with the Kibblewhite Ti intake valves and the Kibblewhite Black Diamond exhaust valves for longevity.

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