Manufactured by Factory Spec Includes 2 rotors 2 pairs of brake pads enough to replace both sides Factory Spec rotors are made of premium tempered stainless steel Provides strong, reliable braking power Factory Spec semi-metallic brake pads work well in all conditions and have a high resistance to heat and other elements. These brakes are suitable for general or utility use. Replaces the FRONT rotors pads on the Yamaha ATVs listed below 2004 Yamaha YFZ450 2005 Yamaha YFZ450 2006 Yamaha YFZ450 2007 Yamaha YFZ450 2008 Yamaha YFZ450 2009 Yamaha YFZ450 2009 Yamaha YFZ450R 2010 Yamaha YFZ450R 2010 Yamaha YFZ450X 2011 Yamaha YFZ450R 2011 Yamaha YFZ450X 2012 Yamaha YFZ450 2012 Yamaha YFZ450R 2013 Yamaha YFZ450 2013 Yamaha YFZ450R 2014 Yamaha YFZ450R 2015 Yamaha YFZ450R 2016 Yamaha YFZ450R 2017 Yamaha YFZ450R