The 7037262 in fact is the carburetor for a California only 1967 400 A/T (the A.I.R. being air injection reactor or smog pump - not air as in air conditioning).
The California carbs were never offered as service units for the federal versions (calibrated too lean, need modification to run on a federal engine).
While California carbs are now almost as difficult (sometimes more so) to find than their federal cousins; about 20 years ago they were regarded as clumsy doorstops and dirt-cheap. For this reason, some unscrupulous dealers advertised them in HMN and other places as "1967 GTO" not telling the customer they were too lean for the federal engines. Since they were so cheap (about 10 percent of the cost of the federal carb then), several were sold.
Jon.
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"Good carburetion is fuelish hot air". 
"The most expensive carburetor is the wrong one given to you by your neighbor".
If you truly believe that "one size fits all" try walking a mile in your spouse's shoes!
Owner of The Carburetor Shop, LLC (of Missouri).
Current caretaker of the remains of Stromberg Caburetor, and custodian of the existing Carter and Kingston carburetor drawings.
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