Please note, these wheel spacers are not model specific. They are designed to fit a bolt pattern, in this case 4/156. This means the wheel hub has 4 studs that are 156mm apart. The studs in these spacers are 10mm M10x1.25mm . Please see the second image for clarification. Manufactured by Factory Spec 2 Pair of 2 spacers adds 4 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 4/156 The FRONT AND REAR of the following models have a bolt pattern of 4/156 1989 1990 Yamaha Banshee 350 1987 2004 Kawasaki Mojave 250 KSF250A 1987 1988 Kawasaki Tecate 4 KXF250A 1995 2000 Kawasaki Lakota 300 KEF300A 2001 2003 Kawasaki Lakota 300 KEF300B Sport 2010 2014 Polaris Sportsman 550 2009 Polaris Sportsman XP 550 2010 2014 Polaris Sportsman X2 550 2015 Polaris Scrambler 850 2013 2015 Polaris Scrambler XP 850 2010 2015 Polaris Sportsman 850 2015 Polaris Sportsman SP 850 2009 2014 Polaris Sportsman XP 850 2011 Polaris Sportsman X2 850 2014 Polaris Sportsman WV850 2014 2015 Polaris Scrambler XP 1000 2015 Polaris Sportsman XP 1000