Holy cow..200 mph small block Mopar N/A

Icetech said

I was thinking more of the heads, block and i assume pistons would probably not be THAT bad...

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OH, depends on the piston! Low deck slugs are a lot because there basically a custom piston these days. Go find a .030/.040 over forged 350/361 B deck slug!!!!
383/400's are pricey enough.
What ever you build, just do a killer job on it!