Manufactured by Factory Spec 1 Pair of 1 spacers adds 2 total width, makes it easy to widen the stance of your ATV. Provides extra stability and has the ability to accommodate larger tires. Studs are integrated, you do not need to remove the stock studs for installation. Hardware included for easy installation Constructed of 6061 T-6 aluminum for maximum strength and durability These spacers will work with a bolt pattern of 4/110 The REAR of the following models have a bolt pattern of 4/110 2004 Honda TRX450R Sportrax 2005 Honda TRX450R Sportrax 2006 Honda TRX450ER Sportrax 2006 Honda TRX450R Sportrax 2007 Honda TRX450ER Sportrax 2007 Honda TRX450R Sportrax 2008 Honda TRX450ER Sportrax 2008 Honda TRX450R Sportrax 2009 Honda TRX450ER Sportrax 2009 Honda TRX450R Sportrax 2012 Honda TRX450ER Sportrax 2013 Honda TRX450ER Sportrax 2014 Honda TRX450ER Sportrax