Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with JEGS Throttle Cable Bracket & Springs p/n 555-157050
Will not fit 255ci engines
No provision for divorced or heated choke
Stock/stamped steel valve covers may require 3/16" (or thicker) valve cover gaskets. We recommend: 555-21120 or 555-210270 for adequate runner clearance.
JEGS Carb Recommendations/NotesCarburetors 570 CFM670 CFM770 CFMUp to 300 HP300 to 400 HP400 to 500 HPManual Choke510-0-81570510-0-81670510-0-81770Electric Choke510-0-80570510-0-80670510-0-80770Carburetor Studs555-158401-1/2" StudsSuggested for carb and gasket only555-158412" StudsSuggested for carb and 1/2" spacer555-158422-1/2" StudsSuggested for carb and 1" spacer555-158463-1/2" StudsSuggested for carb and 2" spacerCarburetor Base Gaskets555-16100Open555-161054-HoleIntake Manifold Bolts555-83210Ford 289-351W