The 1966 to 1969 street hemi oil pans fit the early, 1962 to 1965, B Body very well, they are a lot deeper than the stock 4 quart 361 up to the street 426 oil pans also Hence the welded on wedges on the street hemi k members t help protect them
If you wanted to use a 1966 to 1971 b body wedge k member in your car the 1970/71 Hemi and 440 6 pack 6 quart oil pans fit really good and they are not hanging down like the street hemi pans do, that swap also moves the motor down and back around 1 inch moving the center of gravity back also