Do not send us an email or note specifying what length chain you need. You must ORDER the correct length. BUYER must check chain length needed before ordering. Any info provided by seller regarding stock length is to the best of our knowledge, but seller is NOT responsible for chain that is ordered incorrectly. Any return for different length chain will be at buyer's expense, including shipping both ways. PLEASE check BEFORE ordering. This brand new 520 x 96 x-ring chain fits the following models 2004 Yamaha YFZ450 2005 Yamaha YFZ450 2006 Yamaha YFZ450 2007 Yamaha YFZ450 2008 Yamaha YFZ450 2009 Yamaha YFZ450 2012 Yamaha YFZ450 2013 Yamaha YFZ450 *** Will not fit YFZ450R or YFZ450X models*** This chain is the appropriate length for stock gearing, swingarms, etc. Manufactured by Factory Spec Designed to meet the demands of today's high-performance machines Reduces friction and power loss up to 40% over basic O-ring chains Seals better than traditional O-ring chains Lasts 50% longer than standard O-ring chains Tensile strength of 8,200 pounds Made in China Includes 520 x 96 x-ring chain orange Clip style master link