Making kickdown lever for carb

I'm working on hooking up a kickdown cable to a Stromberg WW carb. The car is a track roadster (build thread here) I'm building so that's why I'm using the kickdown cable versus the stock setup. Does this look like something that should work fine?

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The yellow piece will be a 1/2" wide (not to scale on high-tech blueprint above) 1/8" thick steel. I will drill a hole at the top of the yellow piece to fit over the ball mount for the throttle cable. At the green dot i will drill through the yellow piece and the carb lever and add a rivet to hold it in place. The rivet will not interfere with anything behind the carb lever through it's full range of motion. I assume the distance from the pivot (blue dot) to the throttle cable ball and to the kickdown cable attachment (red dot) should be the same. I may have to clearance a little of the bottom of the throttle stop on the carb body that is just above the red dot.

Thanks for any help
Gene