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I have a 74 Lemans I'm putting in a 454 Gen V and I need a good set of headers to fit a A-BODY frame was told a Chevelle or Camaro has the a-body, the heads are oval port so thats what I am looking for doesnt matter color etc just as long as they will fit and are not rusted etc Thank Ken South Carolina
I'd check with Summit Racing
owned more then one A body gto with a bbc in it and more then one bbc from 396 to 632 cid .chevy A body same year with rigth oil pan for the A body and engine and frame mounts the chevy headers fit in your car not a big deal. it is when guys use the wrong oil pan and engine mounts then things get side ways . camaro front streer only headers can fit as well in a A body . oval port heads have no play on header fit. all GM iron heads have the same ex port height. now many aluminum heads ports are up by 1/4 or a bit more some companys will tell you were ex port is on the head . so then headers may not fit if you have head studs on heads this will not help the lower row of studs can hit the header flange . with head bolts. many do fit but only good as headers are made ... some times not great . never cared much for the fit so i made my own headers
There's a guy locally selling his Doug's tri-y BBC headers for like $150. Used but nice. Pm me if ya want his contact. I can get the part number from him just can't remember off hand which ones. Cept they had 2-1/2 flange