What 440 intake?

You know,

The 1967 thru 1969 {#2806178}, and 1970 {#2951736}, and 1971 {#3512501}

Stock Factory Intake Manifolds performed very well in recent 'flow tests'.

Otherwise, an Edelbrock Performer {#2191} is the best avenue for the Street
with A/C and Power Brakes.