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A toploader should bolt right up, you will need a shifter. Some of the early Bronco houses sell the shifter & there's always ebay. You can get close ratio which pulls better on the road or an overdrive that uses basically the same gearing plus an overdrive.
I think these sites can help you find the tranny you need.
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.