Clutch Tool
#2
#3
Clutch Alignment Tool - Speedway Motors, America's Oldest Speed Shop, although napa prob has or can get one. guess you need to know application.
#4
Frankly, I've always had better luck doing it without. I will feel around the edge of the pressure plate and compare that to the edge of the clutch disc, and make sure it's even all the way around. When it's just right, I put the final tighten on the PP bolts. The weight of the disc on the alignment tool always seems to let it fall down a bit. At least, that's been my experience, but I don't do it every day, either.