Lance Smith at Craft Performance.
He has all the equipment and six guys who have been with him for a long time.
In house CNC machines.
He can handle the volume.
Small block or big block.
Street or race engine.
He has a dyno and warranty.
Great custom service and reputation.
And a fair price.
We had a couple of problems but they fixed them quick with no fuss. (bad parts)
https://craftperformanceengines.com/