| Flat Rock Assembly Plant | |
|---|---|
 The plant in 2010 | |
 | |
| Former names |
|
| General information | |
| Classification | Factory |
| Address | 1 International Drive |
| Town or city | Flat Rock, Michigan |
| Country | United States |
| Coordinates | 42°06′25″N 83°14′52″W / 42.10694°N 83.24778°W |
| Opened | January 1972 |
| Owner | Ford Motor Company |
Flat Rock Assembly Plant, formerly known as the Michigan Casting Center (1972–1981), Mazda Motor Manufacturing USA (1987–1992) and AutoAlliance International (1992–2012), is a Ford Motor Company assembly plant located at 1 International Drive in Flat Rock, Michigan in Metro Detroit.
The plant currently comprises 2,900,000 square feet (270,000 m2) of production space and employs 3,510 hourly workers and 140 salaried workers. The plant currently manufactures the Ford Mustang.