Must be some real suckers out there to pay that much for a stock 318 intake with dual WCFB carbs
Being a old fart I fought those power wars back in the day, way quicker and easier to go to a 331,354 or 392 hemi to make more power that bolts into those year cars
All the poly type motors were built for the savings to Mopar on making those motors instead of making the hemi motors
I remember riding in a 1957 Plymouth Savoy 2 door sedan that had a dual quad 318 motor with the 3-speed stick tranny on the column, it didn't have as much power as a single four barrel 1957 Desoto hemi motor with a Powrflyte tranny had