What aftermarket 4bbl intakes fit a 65 273

grimreaper said

Yup. I had an Offenhauser Dual Port 360 on mine once upon a time. It worked quite well. You can hog out the bolt holes and make a later manifold fit but that's a pretty hillbilly fix. (I hate to admit it but I had this hillbilly fix on a car for a few years....)
Good luck in your search!

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It might work but the angles are not the same and you will be putting those little 5/16 bolts in bending stress instead of having them pull straight down. Factory cast iron is good, D4B was supposed to be the best. I had an Offy and that was good too. The trick is to find any of them. Keep looking and one should show up. Hell fish also makes a good point.