Engine paint.
Here is the plasti kote web page with teh 232 blue listed at the bottom. You may be able to look up a dealer near you on the site also if you mouse around...
http://www.plastikote.com/products/Specialty/Engine-Enamel.html
Here's a google search images:
https://www.google.com/search?q=pla...X&ved=0ahUKEwiqw-_F4MfLAhVqvYMKHUN6C4YQsAQINQ
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