I have around $7000.0 in my 5.7. But I am doing mine with all ARP studs,forged rotating assembly,6.1 CNC ported heads.
The 5.7 Hemi has a cast crankshafts and week rods and pistons. They work with good but only up to about 10 PSI after that you should do a forged rotating assembly.
I did mine...