From what I can tell, it looks like a factory MR2 transaxle diff. It probably ended up in the hizperf box because the hi-perf part is in the car. I always put old parts in the new boxes but I usually write what it is on it. Hope that helps
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.