Staged Heads

BUILT STG III WRX/STI Cylinder Heads BUILT Industries staged cylinder heads come from a long line of proven performance now for over ten years. With over three hundred Mitsubishi 4G63, Mitsubishi 4B11, Subaru WRX, Subaru WRX STI, Scion TC, and other...

BUILT STG II WRX/STI Cylinder Heads BUILT Industries staged cylinder heads come from a long line of proven performance now for over ten years. With over three hundred Mitsubishi 4G63, Mitsubishi 4B11, Subaru WRX, Subaru WRX STI, Scion TC, and other sport...

BUILT STG I WRX/STI Cylinder Heads **Newly updated pictures show the actual STG I port work being done in sequence. We have also added the option that allows you to send your cylinder heads into us.** BUILT Industries staged cylinder heads come from a...