Yeah I think that is the A-trim. I had a old A-trim and it was good for 8psi, but it was not very efficient. I now have a S-trim (SQ) super quiet with the stock 3.33 pulley I see 11psi @ 5500 rpm. Not sure how complete the ebay kit is. IMO: I don't like FMU's and small injectors that is what...