[JuneBug]

It's a Garrett AiResearch Turbo--some going for $300-$900 on Ebay:

AiResearch Turbo | eBay

AiResearch Turbo?? - Team Integra Forums - Team Integra

https://en.wikipedia.org/wiki/Garrett_AiResearch

 

[JuneBug]

I would like to know the information regarding A/R etc. Could it work on my RAV4?

I hope you're not asking me! I know absolutely nothing about turbos. Just wanted to show you some info that I found using Google.