Hey guys, I'm building a 1972 Challenger with a 1968 440 block bored .60 over, 1962 413 Max Wedge Heads (No.2402286) and a 1963-64 426 Maxwedge single quad aluminum intake ( No. 2465185). From what I've been told the single quad intake on 426 Max wedge was nascar only. Anyone have any Info?