A rare 1964 Dodge Polara 500 Max Wedge owner spends $20,000 to secure original 40-lb Tri-Y exhaust manifolds, preserving Mopar history. For Mopar enthusiasts, authenticity comes at a price—and ...

For what is worth, the combo is factory-correct, as the Polara 500 Convertible came standard with a two-barrel 383 rated at 305 horsepower. Dodge also offered a four-barrel version good for 330 ...