Not Ranked
I went thru what summit has to offer and I did not find the ones to match 601's fittings. If you look closely at 601's fittings, you will see that the part that slides over the hose is much longer than the ones that Summit sells. And they have a yellowish tint that does not look like aluminum. They look like they have a dychromate finish that you find on steel fittings like the FBM series from Aeroquip, but they are not an exact match.
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