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  • BMC 557 Burris American Rail Replacement Motor Mount Clamp, SINGLE CLAMP

    Sold Individually, Aluminum Clamp, Anodized Black

    Two Hole Aluminum Motor Mount Clamp

    Narrow Style American Rail

    What is the difference between International and American Rail?
    The distance center to center between the two engine rails.
    International Measures 3 5/8" and American Measures 3".

    Almost all race karts are International whether they are made in the US or not.