I had a tripower intake years ago that a guy gave me. The part number came back to be a 1960 Super Duty intake according to Pete’s book. The best I could ever find out was it was part of some over the counter parts offered by Pontiac. The only difference between the SD intake and the regular production tripower intake was the SD had no heat riser. I carried it to a lot of swap meets and finally traded it for something. There was zero interest in it back then,probably 25 years ago.
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