Valve Torque Tool – 17-173 Tighten TPMS valve cores to OE specifications. Helps guard against over or under torquing. Meets Tire and Rim Association (TRA) recommended torque specifications, which have increased from a lower range of 1.5" to 4" lbs. to a higher range of 3" to 5" lbs. on TR C1 valve cores. Serves as both a core remover and installer. One per bag.