Gunk Instant Parts Cleaner and amp, Degreaser quickly cleans and degreases metal parts, tools and amp, brakes. Powered by an ergonomic, high pressure trigger, the heavy duty cleaning agent instantly removes oil, dirt build up, varnish, sludge, grease, brake fluid, oil, gum and varnish. Dries ultra fast with no residue. Ideal for metal parts, tools, carburetors, air intakes, throttle bodies, brake drums, rotors and amp, calipers. Brake pads or lining that have been damaged (impregnated) with oil or grease should be replaced, not cleaned.