2003 2004 2005 Kawasaki KFX400 KFX 400 Rear Brakes Severe Duty Brake Pads Race-Driven Rear Severe Duty Sintered Metal Brake Pads. Race-Driven exclusive sintered metal compound is designed to withstand extreme conditions Excellent performance in mud, water, sand, racing and any other condition you can throw at them 2003 - 2004 - 2005 Kawasaki KFX400