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Title: 50/50 chance of success
Review: I bought two of these. One was for my car and the other was for my truck. I installed one on my car first. I kept an eye on it for a few weeks and all was fine. I installed the other one on my truck and the spare was flat the next day. Checking with some soapy water, I found a leak at the fitting that threads on to the tire valve right where the crimped piece is connected to the knurled piece. I won't bother getting anymore of these in the future.
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