Catalina sedans and coupes now came standard with a smaller 255-horsepower 350 cubic-inch Pontiac V8 as standard equipment with optional engines including the previously standard 400 two-barrel rated at 265 and 290 horsepower (still standard on convertibles and Safari wagons), a 330-horsepower 400 four-barrel and a two versions of the new 455 cubic-inch V8 rated at 360 horsepower or 370 horses with the "HO" option.