USCT Inner Fender Shock Tower Brace Kit - Fact or Fiction?

I've finished installing AMD inner fenders, and patched the floor brace from fender headers. I've read about the USCT Inner fender brace kit, and pulled the trigger on the credit card, But once I've received them, and tried a test fit, I got cold feet.

It appears to me, they put a lot of stress on the shock tower.... I'm looking for any A Body members who have installed these, and can tell us, if these are Fact or Fiction they do work??

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The shock towers on my '68 Barracuda were only attached to the inner fenderwells with a few spot welds at the very top. Several of them were starting to tear through the sheet metal of the inner fender.

I welded them solidly to the inner fenderwell, and then installed my USCT bracing. I have the old style ones with round tubing.

I welded in the front frame rail brace in too. I fab'd up a Monte Carlo brace, and that is when the last remnants of cowl shake disappeared.