Stop in for a cup of coffee

They probably won't, especially with those welded in baffle plates. I've seen a few sets over the years that were hacked up / modified for clearance so that might be an option for you.

Even after all this time Tim, your buyer's remorse is still painfully obvious. I hope you get to use them.
I am going to use these, just ordered
VALVE COVER SPACERS 3/8" SMALL BLOCK MOPAR (318, 340, 360) With GASKETLOK | eBay