Transmission line question
 

I put the larger big block radiator into my 85 C10. I am looking for the fitting size/thread pattern that goes from the transmission line into the male fittings on the radiator. Should these be 1/2"-20 inverted flare?

First picture are lines that go from the trans to the radiator, this is the fitting I'm referring to. I am wondering if this -6AN / 1/2"-20 inverted flare fitting is the one I will need to run -6AN line to the radiator, 2nd picture
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