The AZC is the MSA 6-1 header. Look closely at the pics. Same thing...

The AZC is the MSA 6-1 header. Look closely at the pics. Same thing...

Interesting. They do look to be the same, but MSA's is $30 less uncoated, and $80 less coated. (May not be the exact same coating, though. Arizona's is Jet Hot, MSA's is generic.)

The AZC is the MSA 6-1 header. Look closely at the pics. Same thing...

so it seems........

I just found out that you can order headers through Jet Hot coatings, with the coating already applied.

The 240Z header is made by Hooker. I am putting an '82 ZX L28 into my 240Z, which they list as being made by Pacesetter.

Actually, the only Datsun headers they offer from Hooker are for small block Chevy swaps. All the rest of their Datsun/Nissan headers are Pacesetters.

http://www.jet-hot.com/pages/Precoats/Nissan.htm