This will adapt from a four hole to a two hole can adapt manual to power one way and power manual the other way.
Disc Brake Conversion 64-73 For Ford Mustang w/ Manual Master Cylinder / Rod Kit
1964-73 For Ford Mustang Disc Brake Conversion w/Manual Master Cylinder/Rod Kit
172485303770/A1726 Manual Master Cylinder Push Rod Kit Durable For Ford
1 Set of Manual Master Cylinder Push Rod Kit Durable Replacement For Ford
Ford Adjustable PushRod for Manual Master Cylinder USA Made
Ford Universal Adjustable PushRod for Manual Master Cylinder, Made in USA