What size V-caps are used in BPT 3.5 Sig Plus?


Anybody know what size V-caps are used the in BPT 3.5 Sig. Plus? I have an older 3.5 Signature and would like to upgrade the caps to V-caps, but the caps in my 3.5 are covered with heat shrink and look quite small. Anybody have any idea? Thanks much.
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