The most common and most likely answer to this crossword clue is the 6 letter word FLITCH
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Buddy explains!

The straight part
We know that "Salted pork" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case salted pork = flitch.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FLITCH mean?
FLITCH noun- The flank or side of an animal, now almost exclusively a pig when cured and salted; a side of bacon.
- A piece or strip cut off of something else, generally a piece of wood (timber).
- To cut into, or off in, flitches or strips.