Front Stabilizer Bar Bushing Brackets

I thought I'd start a new thread....
I replaced my bar with the GMPerformand Parts bar (12498643), and the stock brackets seem too small, to fit over the new/larger bushings, because they're already fairly tight, and I have approx 1/2" more before they're contacting the frame.
Does anyone know where to get brackets to fit the new bushings with these new bars???

Try Summit Racing or Jegs. You may also be able to find them at Autozone.

An update:
So, I decided to order new brackets/clamps (10445399), as the inside of mine had significant corrosion. And upon receiving the new ones, I can see how my old brackets had "puffed-up" corrosion on the inside which made the bushing fit even tighter than they should. I am still suprised they use the same bushings (10403188, which may now be replaced by 10275555?) for these new/larger bars, but I was able to install everything, and aside from more bushing "squeeze", everything seems OK.
When I ordered the new 10445399 brackets/clamps, I also ordered the 10275555 bushings, because they appear to be called-out for use with the 25861196 bars, which appear to supersede the 10404184 bar which comes in the kit. Although, I decided to just use the 10403188 bushings that came in the kit.....they appear identical to the 10275555 bushings, but I don't know the difference.