2003 2004 2005 Kawasaki KSF/KFX 400 Semi-metallic Rear Brake Pads 1 Set of Brand New High Quality Brake Pads Enough to replace rear calipers These are Semi-metallic brake pads Semi-metallic compound works well in all conditions Semi Metallic Brake Pads are for leisure/sport use and provide the lowest heat generation, which made from a resin material with metal (copper, brass) chips inclusions