Camoplast Hacksaw Snowmobile Track for 2007-15 Yamaha Phazer 121" 8GN-47110-00 Part Number: 8GN-47110-00 Dimensions: 121"x14"x1.0" These tracks were stock on 2007 to 2013 Yamaha Phazer GT 121" Will fit 2007-2015 Yamaha Phazer 121"