If you're looking to have the push/pull to split it, look at the CTS pots on Stew-Mac's site. Much better than the Alpha brand and great for shallow control cavities. My Les Paul came stock with 2 of the SPST pots to split each pickup. That's all you need really.
https://www.stewmac.com/electronics/components-and-parts/potentiometers/cts-push-pull-pots-spst
There ya go. Looks sweet.