The linkage on that 273 is the Hemi dual 4 design. If you want to run the Hemi linkage it should work as mentioned, with some light mods.

The more expensive/involved route......If you want it to be almost exactly like a Street Hemi you can add the Hemi style linkage arms to your carbs and the progresive linkage rod will work without any mods. The side arms were welded on at the factory (reccomended) but can also be screwed on to the ends of the throttle shafts (use red lock tight if you do!).