Magnum head and exh manifold ID

Mark Nixon said
IMO, the serpentine set-up and the high output alternator would be a BLESSING to an older MoPar.
Mark.

That reminds me, is it possible to swap a magnum serpentine system onto an LA block? If not, why not? I would like to make mine serpentine but can't spend the $300= for the march kit. Thanks

-Alex