Magnum intake drilling plate project

These things still floating around? What are the "downsides" to doing this if any? I've read through, but might have missed something critical that answers my question already.
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Looks like @fastnos has them ready to ship.
Downside is you furnish the drill bits and guide nipples and do the work yourself. Then you ship them to the next guy in line.
Contact @Stephen Hotz he owns them and controls them.