Need Help With Custom VTA Catch Can - Last Step

[BlackBoostedStang]

I'm installing a custom catch can setup on my coyote. It's a vent to atmosphere VTA setup that connects to both driver and passenger side pcv lines, not just the passenger like you get with other cans.

I have everything in place, but I can not find vacuum caps that work with capping the two pcv lines. Does anyone have experience with this? I was told "5/8ths vacuum caps fit" but nobody sells them. I did some digging and there isnt much information on this that I could find. Thanks in advance.

Pictures for clarity

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[psoff]

Did you get this solved? What did you do?
If you did n't figure it out I was going to suggest you go to the Auto store and get a 5/8 barbed connector that is Similar to the connector that is on the stock hoses.
You might get lucky and they might have a block-off connector. Meaning the connector doesn't have a barb fitting on it and it's purpose is to block-off just as you want. But most likely you will not find that connector, so get one with a barb fitting and then heat the barb up with a flame. Get it hot enough to where the plastic starts to melt. Then quickly press it streight down on a spoon or something with a smooth dished surface. a sewing thimble would work too. Do this to seal the barbed end of the connector.
The technical term for that type of connector is a SAE J2044 type connector. I use to design them for ITT Industries and Cooper Std. We use to melt the barb ends in our test lab all the time.