So you hold that Ephesians is only applicable for Gentles and not applicable to Jewish believers?
If no, then why do you hold the reverse view on 1 Peter?
1 peter unlike Ephesians is written to :
1¶Peter, an apostle of Jesus Christ, to the strangers scattered throughout Pontus, Galatia, Cappadocia, Asia, and Bithynia,
2Elect according to the foreknowledge of God the Father, through sanctification of the Spirit, unto obedience and sprinkling of the blood of Jesus Christ: Grace unto you, and peace, be multiplied.
We should also recognise that the 'elect 'are always the Jews .