If you get those parts from AutoZone or O’Reilly’s or something and take it to a decent mechanic you can probably save about $200 on each of those $400+ labor quotes.
Main issue is finding a decent mechanic or one that isn’t lazy and quotes you high because they don’t want to do the job.
For those who want a top down GTA experience slightly newer than GTA 2, check out GTA Chinatown Wars.
It was PSP and Nintendo DS only but had a decent story and had the precursor to the drug trading that’s prominent in GTA 5 now. I enjoyed it but remember it having almost no marketing when it came out.