I was just wondering if anyone has any knowledge with modification for more horsepower on a 2004 rev 600 HO
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Trail Porting Kit - Complete with base gasket, Rave gaskets and o-rings, jetting, and spark plugs. Gains of 8-10 hp is normal. $595 shipped.
RKT Billet Head - $420 shipped
Head Mod (any compression ratio) - $195 shipped
600SDI HPS Can - $295 shipped
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