for small shop.
Better than a level and tape. Not $50k.
Turn/angle plates, caster camber gauges for on the wheel, prefer with toe adjust fixtures. Good enough to be accurate, repeatable and do a good job on fast race cars.
Go...
What type of race car?
The handling guys might be the best place to ask.
I have a couple hundred dollars worth of tools for an alignment.
caster cambertoe platesA couple of
digital protractorsBut the key is a string box
I used 4 dollar store pizza plates as turn plates,, not sure how well those work though