You can use Costar 6u stabilizers. You can use 2 stabs on each side to hold the wire better, so you can order from AliExpress 1 x 6u and 1x 2u, to use the plastics. Hot glued into place + lube = very nice stab, close to stock I could say.
Check out the mod pics : Costar 6u stabs on fc660c spacebar https://imgur.com/a/jJKw1Qy