Those heads are not max wedge sized ports.
Any std port intake will fit just fine.
And the rockers they use are pretty cheap from SM.
Currently on sale for under $150.
Mopar Chrysler BB 383 440 1.6 Aluminum Roller Rocker Arms & Shafts (Offset .450)
475-500 STP crank HP isn’t going to get that truck into the 10’s, and still meet your other roadworthiness criteria.
