After Market Master Cylinder

Looking to see if anybody ran an after market Master cylinder in there 5 speed SuperCoupe for the clutch? If so what size bore did you run? Thanks!

It is the same as the Ranger truck version...I bought one from Wagner for the application.

From Rockauto.............

AUTOSPECIALTY / KELSEY-HAYES Part # Q81002 [Wholesaler Closeout -- 30 Day Warranty] (Only 10 Remaining)$33.79

DORMAN Part # CM39837 {First Stop #E9SZ-7A543-A}
Bore = 7/8" $53.79

RHINOPAC Part # M0782
Super Coupe $64.89

WAGNER Part # CM120140
7/8" Bore
- Stocked in outlying warehouse--shipping delayed up to 1 business day $72.79

PERFECTION CLUTCH Part # 39837
* Non-stock item--shipping delayed up to 2 business days $62.79

ACDELCO Part # 385386 {replaces 18M2130 #18M2130, 19182916}
CYLINDER,CLU MAS * Non-stock item--shipping delayed up to 5 business days $73.99

7/8" seems to be the one I need! Thanks!!!!!... I put a SC motor in a FC Rx7 and the Mazda Master just isnt up to the task of fully releasing the Stock Ford slave.