These brand new semi-metallic brake pads fit the following models: 2008 - 2009 Polaris Hawkeye 2x4 2004 - 2005 Polaris ATP 330 (4x4)/Quad 2004 - 2005 Polaris ATP 500 HO 4x4 Included is one set of brake pads, as pictured This set is enough to replace the pads on the rear caliper These brake pads are suitable for general or utility use. They are Factory Spec brand.