470 stroker crank

I have a 440 source 3.900 stroke crank for the 400 block that is fresh back from machine shop. checked out and is .010 under on main and rods. it is clean and looks like brand new and ready to drop in a b block. will make a 470 stroker and 440 source stocks the pistons for it. 400.00 located in leitchfield,ky.42754