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I have a POL proportioning valve (4 wheel disc brakes) which has the outlet port for the rear brakes 9/16-18 inverted flare. I purchased a stainless steel intermediate brake line, supposed to be direct OEM replacement. However, the proportioning valve end of the stainless steel line came with a large metric fitting, I suspect it is a M13-1.5, don't have anyway to measure other than the pitch of the threads. Does anyone know who might make a 9/16-18 Inverted flare male to M13-1.5 bubble flare female adapter. All the other replacement proportion valve has the same size ports from what I have found and I can not return the stainless line. Not sure if I have enough line before the bend to replace the fitting.
