Stiff 1-piece cockpit for Scott Foil

Looking for a narrower 1-piece cockpit for a Scott Foil. I’m looking for 120/38. Scott offers a 110/38 or a 120/40. So I need to buy third party. The Black Inc looks nice. And I’ve seen custom spacers. ENVE is too expensive. EXS is on the list but I have heard it’s not the stiffest. Any others I should check out?

Worse case I run the normal Scott stem with ENVE aero bars.