I am looking to get a 350 four bolt main block with pistons and all that junk already in it.
I just want to slap a top end kit on it, a carb and some headers.Any ideas on if the holley top end kit or the trick flow top end kit are any good. All suggestions on a build up are welcome.

 

ive used a holley top end kit before its pretty good but ive only done it once.
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What kind of numbers did you see? Is it worth the money, or should i invest somewhere else?