Steering Box Ratio

OK variable rate racks and solutions for steering

AutoZine Technical School
https://www.brakeandfrontend.com/variable-ratio-steering-systems/

i belive the cars that GM Holden sold in the US under the chevy and pontiac brands, rear wheel drive v8 saloons had this, can't find anything to show that. but the above illustrates some of the history. You can get a modified K frame in Australia to facilitate fitment to a Mopar