340 with w2.econo heads

Jerry gray said
I have a 340 30 over 570 flat tappet cam.flat top pistons 202 w2 econo heads Mopar m1 intake.currently in my barracuda complete pump gas motor.runs 7.0s 7.20s in the heat has one complete season on engine$5500

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How much for just the heads. Confused, it's says econo heads but your other listing show milled stands like the race head and no separate pricing???