Metro Friction D931.20 - Police Formula Ceramic (Front) Disc Brake Pad Set (4 Pads) Police formula passed FMVSS 135 OEM the Highest Test for Performance and Safety. With Amazon Prime, Fleets are able to lower inventory stocking quantities. Shims are application specific for low noise and long life. RECOMMENDED LUBRICANT: Permatex #09973, Ceramic Extreme Brake Parts Lubricant, 4g Pouch. METRO FRICTION CARES: Boxed in original White Shipping Box, We save a Tree and donate $1.00 to Mental Health America.