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300ex valves

  1. New from KY Valvetrain Question

    New Member Introductions
    Just read through some of the threads and it looks like a lot of people here know what they are talking about, so I decided to join because I have a question i can not find the answer to anywhere. My ATV is a 2004 Honda 300ex i just bought a Wiseco 74.50MM Piston kit which makes the piston .50...
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