Try and visit
Welcome to SupraSport.com ltd - We don't make the car, we make it faster! navigate the entire site, there's nothing but SUPRA stuff. You can also check ebay motors for parts of your 86 Supra. I own four Supras, an '83 - '85 '90 and '91. The '83 is all stock MKll. The '85 (MKll) is powered by a 7MGTE. The '90 has a JDM 7MGTE dropped under its hood, and the '91 is a stock 7MGTE. I purchased a lot of items from this site for my supras. Give it a try and you just might find something you're looking for.