Cam & head upgrade 360 mag

I've got a 300hp crate 360 magnum in my 91 power ram short bed 4x4 truck.
I am running the mopar dual plane m1 intake with a 2 inch 4 hole aluminum carburetor spacer.
A quick fuel super street series 680cfm vaccum secondary carburetor.
A mopar distributer, running 16 degrees initial and 34 total timing. Hedman 1 5/8 long tube Hedders with a dual exhaust with 2 1/4 inch exhaust with an H pipe.
The power is good, specially the torque considering I'm running 3.55 gears with 33 inch tires, I'm swapping gears this spring, I'm going to go with 4.56s or 4.88s, haven't decided which gear to go with, I have the non lock up A-518 transmission with overdrive so I can run a low gear for better street power and still have good highway cruising.
I'm going to swap to a bigger camshaft and I'm considering swapping to the iron ram heads from Hughes engines that come with the bigger 2.02 intake valves and that also comes with the la intake bolt pattern so I have a variety of different manifolds to choose from, even though I haven't had a problem with the dual plane m1, but I've been told by many people that it will struggle to make 400hp which is my goal with the bigger cam and heads, I was thinking I would run a thinner .028 head gasket to bump the compression up a little bit.
I've been told with a .028 head gasket the compression should jump to 9.5:1 and it's at 9.0:1 right now.
The camshaft I am considering running is from Hughes, the cam I am looking at is the ser2226aln-10, intake duration at 50 is 222 and on the exhaust it's 226 and the lift is .549 on the intake side and .555 on the exhaust.
Will this camshaft work well with what I'm doing? I'm trying to create a truck that has a lot
Of take off power and that will keep pulling hard all the way up to around 90-100 mph, I am trying to make it scream from stop light to stop light, not because I'll be racing it on the street, but because I will be using it as a play truck in the mud and and mountains and occasionally drive it around on the streets.
Do you think I should run the bigger 2.02 intake valves if I decide to get the iron ram heads or stay with the stock sized 1.92 valves?