Fits rear, inner or outer on the following Yamaha ATVs: 2007-2012 Big Bear 400, 2007-2011 Grizzly 350 IRS, 2007-2008 Grizzly 400, 2011-2014 Grizzly 450, 2004-2008 Grizzly 660, 2005-2006 Kodiak 400 * Kit includes 1 boot, 1 grease pack, 2 clamps * Boot material manufactured with a heavy duty thermoplastic type rubber, giving you a thicker, stiffer, more puncture resistant boot * Boot height: 3.54 in, Large end inside diameter: 2.46 in, Small end inside diameter: 0.72 in