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GT390 Rebuild Kit

GT390 Rebuild Kit


This kit includes the parts needed to rebuild your GT390 carburetor. These are the exact parts that are used in an Air Fuel Spark restoration.

It is appropriate for list numbers: 

 3557, 3530, 3793, 3794, 3795, 3796, 4088, 3795-1, 3796-1 and many other 600 cfm Ford carbs of the 60s.

Each Kit Contains:

AmountPart Description 
2.110 Needle/SeatOne needle and seat for each bowl
16.5 Power Valvecorrect power valve for each metering block
2Gasket Metering BlockNonstick gasket used between main body and metering block
2Gasket Fuel BowlNonstick gasket used between fuel bowl and metering block
8Gasket Fuel bowl screweach bowl screw requires one of these
1Diaphragm, accelerator pumppump diaphragm
1Gasket, 1 9/16 Throttle bodythrottle body gasket for between baseplate and main body
1Diaphragm, Vacuum Secondarycorrect length secondary diaphragm
2Gasket VS Pot or Choke1 of these are used between vacuum housing and main body, one is for choke seal
2Gasket, Accelerator pump nozzle1 for each nozzle screw, and 1 under each nozzle
2Bowl sight plugsnew fuel level sight plugs
2Bowl sight plug sealsgasket seals for the above
2Idle Mixture screwnew idle mixture screw
3Teflon ribbon, wide3 each for secondary shaft
1Teflon ribbon, thin1 each for secondary shaft
6Metering block well plugIf you removed the idle well plug to clean the idle well, this is a new plug to seal it
2Gasket needle and seat adjusterGasket between the fuel bowl and needle adjuster
2Gasket needle and seat locknutGasket for the locknut
2Cork seals for mixture screwnew extra thick cork mixture screw seal
1Gasket, Power valvecorrect gasket for the power valve included
1Gasket, choke capfor between choke cap and choke casting
3Seal, fuel inletbonded rubber/aluminum seal for fuel inlets
2Locknut, Needle/Seatnew locknut
2Adjuster, Needle/Seatnew adjuster
1black vent sealCorrect vent lever seal, use a drop of oil for install
2choke plate screwnew screws as the old ones are typically damaged on removal
1Baseplate gasketmy favorite 4 hole gaskets for between carburetor and intake manifold
1Air Cleaner GasketExtra thick gasket for between air cleaner and carburetor. 
1Cotter pinretains secondary closing link
1hairpin clip for choke rodretains choke rod to choke housing
1E clip 1/4inchto retain accelerator pump lever
1E clip 3/16e clip to retain secondary diaphragm rod to secondary shaft
1#6 washeroptional washer for secondary closing link
8Brass screw throttle platesBrand new throttle plate screws. Self binding style screws, blue loctite is still advised


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