4-Door with 340 from the factory?

RustyRatRod said

Exactly. You can tell when something has a ring of truth. Most of the time I just nod and say "uh huh". LOL

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So what exactly is the fender tag code that specifically called-out the closed-chamber Slanty head from the Assburn/Rollvarry You now posses?? Or does it not really exist??