Change Plugs 93 E350 7.5L

How does one get to the 2 front spark plugs on this 7.5L (460 cu. in.) engine. I've been able to change the other 6 but the front ones have me ready to go "HULK" on it.

I changed the plugs and wires on my 94 Club Wagon (460) 7 years ago. I recall it was difficult and now that I am looking it over to do again I cant remember any tricks. Did anyone respond to your question and did you complete the job?

Rob