Need help identifying this A833 please!

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I made my linkage out of 7/16" rod, made the mounting bracket so that all the rods were straight, 3/8" Teflon heim joints on both ends, drilled and tapped heim bodies to accept the 7/16" rods. Shortened the shift levers so that there's only about 1.5" travel between the gears.works great with a Hurst ramrod and faceplated box.
Hi guys I’m looking into buying a manual transmission for my 68 Barracuda. I have a 340 with a 727 automatic in it now. There’s one posted for sale, it’s an A833 New process but apparently this was made by Chrysler for GM? Can anyone confirm if this is something that would fit into my car or not? Could I modify it to fit? Or is this for GM’s strictly?