My 360 build.

j par said

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Yes definitely a machine shop thing. Here's mine being done. It's not too expensive unless they have to start adding Mallory which is a heavy metal that's kind of expensive...

Click to expand...

L&K balance the disc as a unit. Pretty cool. I always zero balance the disc and then just leave it out.

Either way, the disc needs to be accounted for. You'd be surprised how many don't even check it, let alone do it.