Where can I buy the stock engine block blue AND the blue to match both the air pump pulley and the alternator and air pump brackets? Here? There? Where?

Polecat

http://classicdatsun.com/

Les at Classic Datsun has the correct paint. Good stuff. Used it on all 3 of my motors

Also available at Banzai Motorworks. Check out "Customer Requests".

http://www.zzxdatsun.com/

Search eBay using "datsun paint" and you can find Les' auction for a can of his paint.