The K5 sintered compound is optimal for off-road dirt bikes and ATV. It is recommended for riders who demand great off-road stopping power and brake pad durability when riding on tough off-road terrain. Fits: Polaris MAGNUM 325 4x4 HDS 2002 MAGNUM 330 2x4 2003-2005 MAGNUM 330 4x4 2003-2005 MAGNUM 500 2x4 2002-2003 MAGNUM 500 4x4 2002-2003 SCRAMBLER 500 2x4 2007-2008 SCRAMBLER 500 4X4 2005-2011 SCRAMBLER 500 4x4 2012-2013 SPORTSMAN 400 4X4 2005-2007 SPORTSMAN 400 4x4 2003-2004 SPORTSMAN 400 4x4 AA AE AG 2004 SPORTSMAN 400 4x4 AQ-AV 2004 SPORTSMAN 450 2006-2007 SPORTSMAN 500 4X4 HO 2005-2008 SPORTSMAN 500 4X4 HO AA AC AE AG 2004 SPORTSMAN 500 4X4 HO AO AW 2004 SPORTSMAN 500 4x4 2003-2005 2009-2010 SPORTSMAN 500 EFI 2006-2013 SPORTSMAN 500 FOREST 2011-2013 SPORTSMAN 500 FOREST TRACTOR 2011-2012 SPORTSMAN 500 HO 4x4 2003 SPORTSMAN 500 TOURING EFI 2008-2013 SPORTSMAN 500 TOURING HO 2013 SPORTSMAN 500 X2 2006-2009 SPORTSMAN 600 4x4 2003-2005 SPORTSMAN 700 4x4 2002-2004 SPORTSMAN 700 MV7 2005 SPORTSMAN 700 TWIN 4x4 2005-2007 SPORTSMAN 700 TWIN EFI 4x4 2005-2007 SPORTSMAN 800 EFI 2005-2009 TRAIL BLAZER 250 2005-2006 TRAIL BLAZER 330 2x4 2008-2013 TRAIL BOSS 330 2x4 2005-2013 Xpedition 325 2002