This is a HIGH QUALITY bead breaker quick relief valve found on some ALL TOOL tire changers. It is found at the air inlet port of the cylinder and allows the air cylinder to energize and release pressure when moving in and out. Many times the internal plunger in these valves breaks down and crumbles causing a large air leak at the valve or the cylinder will bind thus causing the cylinder to not operate properly. These have 1/4 pipe thread ends and should be a direct fit for your machine. Please check your machine for the valve pictured before ordering. Also see chart below to find your model listed to verify fitment. This valve meets or exceeds OEM requirements.ALL TOOL tire machine quick relief valveBrand: ALL Tool Tire Changer

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