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Thread: valve springs

  1. #1
    bigdeez's Avatar
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    Jul 2006
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    valve springs

    What is everyone running for the valve spring upgrade? I see alot of riva but how do the others compare?


  2. #2
    ISLAND RACING seadoo951's Avatar
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    Jan 2007
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    Longisland, NY
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    The Rotax Racing kit, *I have been told* is proven to 8700 RPM. It has been proven in the European race scene for a while now as well. This is what I installed on my motor currently, so I will see how it holds up.

    Quote Originally Posted by bigdeez View Post
    What is everyone running for the valve spring upgrade? I see alot of riva but how do the others compare?

  3. #3
    formerly Gold06RXP Turbo Nick's Avatar
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    May 2007
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    Dayton, OH
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    How much is the RR kit?

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