The Motul GearBox 80-90 stuff was about $12.00/l at CarQuest. Can order on line for about the same. They don't stock it locally, but got it in the store the same day, warehouse must be in Baltimore somewhere. Ordered in the morning, there by noon. Stuff is black or very dark grey. Has moly in it. I have driven it so far about 200 mi, some of that pretty sporty. If I told you I noticed a difference, I'd be lying. So, tranny was working just fine before and just fine after. That's the best I can tell you.