Valve Extenders – Makes hard-to-succeed in inner dual valve stems easily accessible for proper tire inflation. A stabilizer bracket snaps into a hand hole to keep the extender centered for simple get admission to. LS Series – The LS series combines the strength and flexibility of a long lasting hydraulic hose with the additional protection of heat treated chrome steel braid. The exclusive live stem inner core technology utilizes a floating valve stem that may be activated only when air is added or got rid of from the tire. Hose fits each time. Installation requires no special adjustments and provides increased protection against tire deflation must the valve extender be damaged. For inner duals only. 2 per pack. 16 inch, 92 to Current Ford E-350, 8 Hand Hole. Also fits: 16 inch, 16-1/2 inch & 19-1/2 inch, Most 22-1/2 inch.