1: you can try to find a C's short shifter (~300), or get a Beech Performance Motorsports billet short-throw shifter (~160)
link to BPM:
Products - Beech Performance Motorsports
2: 89+ turbo wings are 3pc regardless of market. go to either toyota (expensive) or post on various forums looking for one (supramania, supraforums are your best bet)
3: go to a toyota dealer any toyota dealer and have them look it up. The part #s are:
81521-14332 Euro half amber half clear front turn signal
81511-14332 Euro half amber half clear front turn signa
4: flushmounts are custom
5: see above ^^^
6: I'm not sure, but I think it might have to be imported from Japan.
7: Best is always OEM. Toyota knows the body and how to do it (CORRECTLY). People have gone and had them installed elsewhere and they leak.