Cut out size for the 6 inch precision aero port

[dasinde91]

Does anyone know the cut out size for the 6 inch precision aero port? I had this written down somwere & lost it & can't remember it for the life of me.

[MakeshiftAudio]

1,587,500,000 Å

[mokedaddy]

8 3/8"

[dasinde91]

ok thanks a bunch