Simple and cash friendly don't exactly align, as the kits where you get everything you need all in one go are usually more expensive than the most cash friendly options of buying the special caliper brackets and then getting the rest of the goods from your favorite parts house.
For the former, I would recommend Wilwood or Master Power. For the latter, AAJ or Scarebird are popular options. I haven't shopped either in a while, so not sure what is/isn't still available. You will get a better performance system from Wilwood or Master Power, but the AAJ/Scarebird kits are adequate and use parts you can get anywhere, often without having to resort to mail order (this is especially nice if you take your car on a road trip and have to fix something along the way).
Anything is better than the stock drums.
Dave Casey
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