Direct Connection ( Mullen LA ) heads
I just went and read the rules for that class...the big block engines only have to weigh 8.5 lbs per cubic inch, ford FE big blocks 8.2 lbs, and your smallblock combo will be 9.5 lbs per cube. I seriously doubt with the heads you have, and those rules, you will have any chance of being competitive. Will be fun probably. But for a mopar, the combo would be a 426 hemi, or a "b" engine, like a 350 "B" and a set of max wedge heads.