Be prepared to work on any car that comes into your shop with this TPMS Service Kit. The components of this kit are essential to properly service the TPMS valve sensor. It includes an aluminum valve stem, EPDM rubber grommet, hex nut, Electroless nickel-plated valve core, square-head screw, metal washer and plastic cap with seal. The Original Equipment Manufacturers (OEM) requires that the valve stem components and EPDM rubber seals are replaced every time a tire is serviced on vehicles with TPMS, so be sure to stock up on this kit today!