Help need some advice

Trying to install a new motor on my 69ss chevelle what do you guys think of this guy selling me this motor. Is it a good deal? What questions should I ask him?
Below is the description of the parts he will install to built the street motor…
“i have a 80s 454 4bolt main block .030 over bore in good shape,cast or steel crankshaft,3/8 truck or 7/16 dimple rods,cast hyperutetic or forged pistons,cast iron big valve oval rectangle port heads, dual plane edelbrock Int. manifold for starters this would be a new rebuilt engine” $2500.00 oil pan to int. manif