2004 Rev front end width

[yz400ex]

I do not know much about SkiDoos, but my friend just got one and it seems really wide in the front end. The guy who sold it to him said it had a wide front end kit on it, but looking at some of the threads, I see that people had cut their stock arms down to narrow the width. Is this because they are really wide stock? The lower arm measures around 20" and maybe 13" for the top arm. Can't remember the top arm measurement for sure though. Are these stock arms or are they wider than stock? I appreciate any advise that anyone can give me on this. Here is a pic of the arms if it helps.

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[yz400ex]

Anyone have any info on these arms? Are there narrower arms available?

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[sledsrock]

Those doo look wide, throw a tape measure across the skis measuring center to center of spindle. Here is a link the best arms around. These can be ordered in std and narrow widths, as well as Moly or Ti. These will take the hit away from the Nun and save deeper damage.

http://www.alternativeimpact.com/ski-doo cro-moly a-arms.htm