Larry,
Presuming you have a V-8, there are so many carb options that it's unlikely to find a ready made KD bracket for your application.
I use a couple of small "L" brackets bolted together and mounted on the left front carb base bolt. Set it up so that the carb will engage the KD switch at WOT. It may take some trial and error to get it right. You may be able to modify the one you have.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine