UMFan,
I have the modular pulley system, you shouldn't have problems with belt alignment because the pulley is wide, I just centered mine.
I don't have any other pulley sizes, since i changed the setup,
GTPJack
_________________________
1997 GTP Coupe, Bright Red
Sunroof, HUD,12 Disc CD Changer
180 T-stat, K&N FWI, Borla exhaust system, 3.4 Pulley, Tranny cooler, u-bend delete, High Flow CAT, Intense PCM 18" Chrome Tyfun wheels, painted center console, and dash panel.
Next: 3" down pipe, SD Ram Air Hood,