Technical Best high-build primer over PPG DP?

My '40 PU hood is covered in shallow pitting. I had it garnet blasted and coated in PPG DP epoxy primer. What is a good hi-build primer to use over this to level out the surface? Top coat will probably be POG Shop Line products. Thanks in advance for suggestions.

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Look at PPG CRE primer it’s in their industrial line..good stuff

 

I like SlickSand. Economical and easy to sand.