It going to be interesting, and a tight fit. I do think some of the posts realize the size of the The primary tubes for that motor are 1 7/8" inch. Most of those options work for 302's/351w's. Yours is a completely different ballgame. FE's clear better because of how the exhaust is, 4v's are massive by comparison. Pay no attention to the "port plate" crowd for that motor btw. I see a lot of restriction in your future. I would be worried about the passenger side clearances. Its' going to be custom, like modifying a set of Coyote headers. I did find these awhile back that should do the trick for you:
https://www.stainlessheaders.com/i-3...tml?q=351c+4v+