Ok- my gear seems to be a little off the beaten track so to speak. 1990 4runner 4x4 with a manual 5 speed conversion, trans unknown at this time. 22RE has been turbo'd with a stand alone. Current clutch is new but unknown but at this point I am assuming it is correct for the year. The truck will be tuned this month as a DD (70/30 street vs off-road) but the power should be almost double what it was blessed with in 1990 and although I don't drive like a maniac- I wonder about clutch life. Not really wanting to step up into Centerforce or the various stage XX clutches and I feel Marlin is a bit of a gouge right now- I was looking at the various oem type organic clutches that could fit with little or no machining. Assuming I use the 22RET/93-95 flywheel for 9.25in clutch/21 tooth- I was looking at Saches/Aisin/Exedy, Aisin has many application kits (CKT 036/037/038/048/049), Saches (K70062-01/03), Exedy 16069, I could step into the 22RET, or late model '95 clutches but was also looking at '90s Lexis SC300, Supra NA 3.0L, various years lots of overlap. I like the Supra as the power is similar- but what is the real difference in pressure plates? I haven't heard or looked for issues regarding the elastomer Toyota seems to use vs springs, and I see different friction disc groove patterns with the Aisin as well. Any advice welcome.