Are you speaking of the Mikuni Carbs for the KA24E?? I think they are the only ones for the KA out. Going full n/a I assume?
p.s. I think you meant Higher compression pistons, not BIGGER pistons. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='

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