Description
13 Tooth Front Sprocket, 38 Tooth Rear Sprocket and 520-98L Non-O-Ring Chain.All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel..Non-O-Ring chain doesn't have o-rings between the links so it is lighter, thinner and has less drag..Fits 2004 2005 2006 2007 2008 2009 Yamaha YFM350 Raptor