throttle cable bracket

Well, at least the four speed eliminates the need for kickdown linkage.
The rest still depends on the factory intake- the '66 and earlier 273 Commando/Charger intakes used a bracket that bolts to a cast-in boss on the #5/7 runner.
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The later 340/360 manifolds will use this bracket:
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Mancini Racing - Throttle Cable Bracket

And, as previously stated , the carb will require the Mopar lever adapter and stud, available from various sources such as:
Holley Throttle Lever Extension
Holley Carburetor Throttle Lever Stud