Electrical choke, SA = Aluminium Shiny, 40% Weight loss compared to 0-80457.
30cc accelerator pump
1 timed (spark) port, 1 full vacuum, and 1 PCV port.
Also mandated carbs for some oval track racing sanctioning bodies.
Ford A/T kickdown, does not work with A.O.D. transmissions.
Kick down does not work with A.O.D. transmissions.
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More information here installation.