Help: Replacing Modern Trem and/or arm for Cutlass RS with another original?

Hi all.
New and proud owner of a EBMM Cutlass RS HSS in Charcoal Frost.
I’m looking for advice on sourcing a new trem arm for the Modern trem – which i LOVE as a trem!

This is purely an aesthetics/preference thing as I’ve already swapped out the pickguard.

Looking for a new arm with a black tip OR maybe even picking up an entire black trem like on the Stealth model.

Where does one find these parts?

Also, is there another brand/size arm that works in this trem?

Many thanks!

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