62 413 1852029 #

Hello,
Can anyone tell me if building a 1962 413 would be good for a big block? Casting numbers on block are 1852029, I know it is in really good shape, appears to be a truck block and 324 casting number heads and can get a set of 213 as well. I'm told it has a steel crank and better con rods. I've been thinking of getting a big block to build for the Duster someday. So, how much is this partial motor worth? The block does have AAQA cast on the front left, and said it's a warranty block?
Thanks