HOW TO MATCH BOP ELEVATION

DEAR EXPERTS,

1st LINE 14" SIZE AND 
2nd LINE 4" SIZE 

I WANT TO MATCH BOP FOR BOTH LINES
I TRIED THR ID@ CENTER TO CENTER ELEVATION IN MATCHING 

BUT I WANT TO MATCH BOP ELEVATION 

ANY COMMAND OR TOOL 

PLEASE ADVISE

THANKS IN ADVANCED

REGARDS & THANKS
THIRA