MRL Performance 340, WOW!

9.7: comp 1 340 stock crank and bored .040 making 470 hp , I need to here more about the work on these rpm heads especially if you are talking no nitrous, no turbo, no supercharger, no blowers nothing but a , .040 stock crank ,with rpm heads and a rpm air gap intake with a 750 carb send me a cost and I will pull my motor back from the machine shop it is at if its under 5,500.00 for the long block to make 470 hp from my 69 340in my cuda