The 440 cu in (7.2 L) RB was produced from 1965 until 1978, making it the last version of the Chrysler RB block. It had a light wall construction, precision cast-iron block, with iron heads and a bore of 4.32 in (109.7 mm), for an overall displacement of 440 cu in (7.2 L).
In respect to this, how much horsepower does a stock 440 make?
Although the most powerful factory stock 440 engines produced a rated 390 gross horsepower, the OEM blocks can take power in the 600hp range, and survive practically indefinitely at the 500-550hp level.
Besides, was there ever a 440 Hemi? 1966 Dodge Coronet 440 Convertible
But Mopar did have the Hemi, and a new street version made its debut with 426 cubic inches, two four-barrel carbs, and a 425-hp rating. … The rarest is the Hemi-powered Coronet 440 convertible (440 was the trim level not the engine). Only six were built.