Kit includes four rubber valve stems. The patented press release valve design allows interchangeable rubber and metal valves to be easily replaced in the same sensor head by hand, with no valve fitting tool required. Simply click in and press out. Installing TPMS sensors has never been so easy. Product Features:Four Rubber Valve StemsPress-in interchangeable metal rubber stemDesigned with high quality EPDM material, Autel rubber valves are built to match or exceed OE tire valvesPress release valve design allows easy installation without a tool for sensor head fittingHigh-quality valves are tested and certified to meet SAE industry standard J1205 / J1206 testing
