Best / Cheapest Heads for 5.9 Magnum

Sorry last link was a repeat:oops: I was referring to these RTR.
http://www.ebay.com/itm/NEW-DODGE-D...Accessories&hash=item27ce5066f0#ht_657wt_1170

I'm sure they will function. But why not spend $150 more for 1.92 EQ heads and gain 20+ cfm sand piece of mind regarding the casting quality.