I see you have posted in some other threads as well, so you are well versed in the options and the prices. If you’re replacing the lower control arm with the Lamforder then The most cost effective way to go is to install it with the factory bolts that are on the car now. After that is complete get an alignment, if they can’t get it to specs then go back with the eccentric bolts. Search: DIY eccentric bolt install. You will find all the info there you need. Putting the adjustable bushings into a new A-Frame lower control arm is a lot of money just to adjust for camber and unnecessary for anyone other than hard core racing.
I replaced my flex disc at about 80,000 miles. Good Luck !