Roller Rockers

If the valves are sunk .030" then the push rod end of the rockers will move towards the lifters by .045". So it's conceivable that it all stacked up enough.

Not going to drag race but I want it to run good if I need it to and cruiser most
Well, then the 273 rockers might be just fine for that .474" max lift. You'll still need to change pushrods though to use those.