Manufactured by Factory Spec Includes 1 rotor AND 1 set of semi-metallic brake pads Rotor is made of premium tempered stainless steel Provides strong, reliable braking power Durable works with all types of brake pads 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 REAR rotor and pads on the Yamaha ATVs listed below 2000 Yamaha Kodiak 400 2x4 Auto YFM400A 2000 Yamaha Kodiak 400 4x4 Auto YFM400FA 2001 Yamaha Kodiak 400 2x4 Auto YFM400A 2001 Yamaha Kodiak 400 4x4 Auto YFM400FA 2002 Yamaha Kodiak 400 4x4 Auto YFM400FA 2003 Yamaha Kodiak 450 4x4 Auto YFM450FA 2004 Yamaha Kodiak 450 4x4 Auto YFM450FA 2006 Yamaha Wolverine 450 4x4 Auto YFM450FX 2007 Yamaha Wolverine 450 4x4 Auto YFM450FX 2008 Yamaha Wolverine 450 4x4 Auto YFM450FX 2009 Yamaha Wolverine 450 4x4 Auto YFM450FX 2010 Yamaha Wolverine 450 4x4 Auto YFM450FX