These brackets will allow you to use ITR calipers on ANY ef/eg/ek/da/dc regarless of if you currently have 9.4" or 10.3" rotors.
All civic non ex/si guys will upgrade from 9.4" to 10.3" rotor and use the 23T (or 28T) bracket + ITR caliper
All civic ex/si & DA/DC guys will have to upgrade from 10.3" to 11.1" rotors & then use 23T bracket + ITR caliper.
They sell $80 a pair at autozone.
I'm selling mine for $45 shipped (includes all bolts & sleeves)
bead blasted not painted... i'll leave paint it to you
*can provide tech info on how to install only to buyers.
Just some fun facts:
All civic non ex/si caliper has 53mm size piston.
All civic ex/si & da/dc calipers are also 53mm piston but have a larger pad surface than All civic non ex/si.
ITR calipers has 57mm piston & pad surface is much larger than all civic ex/si & da/dc.
