OEM 2+2 is 28mm. I used this one, and I dont think the fit is great: https://conceptzperformance.com/energy-suspension-300zx-front-sway-bar-bushings-28mm-stillen-or-22-na-9.5130_p_995.php I think I'll get the one you suggest (TT 26.5mm) and mess with it.
'91 NA 2+2 B&B Quad Oval JWT POP JWT ECU Rear TT sway bar |