already got both holley's intakes, street dominator and the strip dominator, looking a china made air gap to 149 bucks on amazon!! gotta few holley double pumpers in good shape and a few thermoquads and will be swaping up stuff see what works best gonna send racer brown a couple hyd roller cores to fix up too... might end up with enuff to build another sbm for my other 200 dollar duster, if i dont set the 440 outta g'pa's old new yorker in that one!