Best hydraulic clutch set up?

I'm in the process of installing the Eastside Motorsport kit, which I think is similar to the American Powertrain setup. It hasn't been without issue, the spacing for the throwout bearing didn't work with the parts it came with, but other than that, it seems like a good kit. I haven't finished the install yet.

MOPAR HYDRAULIC KIT – TREMEC 5 AND 6-SPEED, 18-SPLINE A833 - EastSide Motorsports
That’s the 3rd version of what looks to be the exact same kit. I wonder who the original manufacture is for them.