Akademik

Р-168
РОСТ В РОСТ ( Invar, detached modif or subj-compl with copula (subj: human, pi) fixed WO
( usu. of tall people) equally tall: (exactly) the same height
the exact same height.
Ребята в нашей баскетбольной команде как на подбор: рост в рост. The guys on our basketball team look as if they were hand-picked: they are exactly the same height.

Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. . 2004.