Price is for a lot of 4 valve stems. Qty 1 = 4 stems. These are new Dill VS-950 rubber snap in TPMS valve stems. These are the stems used by many OEM car manufacturers now such as GM, Ford, Chrysler. These stems have the brass threaded mounting post and torx screw for attaching the TPMS sensor to the back side. The sensor mounting post is the common double D with two flat sides and two convex rounded sides. These are equivalent to and will replace Schrader part number 20008. Includes stem, long skirt cap, and torx scew for sensor. TPMS SENSOR NOT INCLUDED YOU REUSE YOUR OLD SENSOR.