Romans 3:22
Even (de). Not adversative here. It defines here.
Through faith in Jesus Christ (dia pistewv 0:0-1:1 by the addition eiv Xriston Ihsoun episteusamen (we believed in Christ), by thv eiv Xriston pistewv umwn (of your faith in Christ) in Colossians 2:5, by en pistei th en Xristw Ihsou (in faith that in Christ Jesus) in I Timothy 3:13, as well as here by the added words "unto all them that believe" (eiv pantav touv pisteuontav) in Jesus, Paul means.
Distinction (diastolh). See on I Corinthians 14:7 for the difference of sounds in musical instruments. Also in Romans 10:12. The Jew was first in privilege as in penalty (Romans 2:9 f.), but justification or setting right with God is offered to both on the same terms.
