Good place to buy 426 Hemi block and heads

I am wanting to build a 500ci Hemi or larger for my 68 Charger project. It will be a street/strip type of build.

Where is a good place to buy the 426 aluminum Hemi heads and iron block at? I am wanting the block to have the RB type mounts.
What should I look for in purchasing a new iron 426 block and aluminum heads?

Should I buy the block in rough or finished bore? What about the lifter bores finish?

First off, if you dont care about O.E appearance, I would start by looking at the world products block mopar sells. If you do car about appearance, look for a good older mopar performance block pre world casting. As far as aluminum heads, I would look for a set from mopar cast by edelbrock, not the earlier mopar castings. Ebay is your friend.

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First off, if you dont care about O.E appearance, I would start by looking at the world products block mopar sells. If you do car about appearance, look for a good older mopar performance block pre world casting. As far as aluminum heads, I would look for a set from mopar cast by edelbrock, not the earlier mopar castings. Ebay is your friend.

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I do not care about stock appearance. I didnt find much on ebay...I will check again.