This a 7M-GTE series AN -10 turbo oil drain fitting it will fit the 7M-GTE block. This fitting will allow you to plumb a -10 AN oil return line from your turbo to your &M block. You will need this fitting to when you upgrade to an aftermarket turbo. This item fits perfectly and is VERY low profile to give your AN plumbing as much room as possible for you to properly route your turbo drain. We have paid attention to every detail, make sure to see all the photos.