Fitment:

Fit 1980-1989 Chevy Cadillac GMC with 305-350c.i Engine

Non-Computer Controlled

Replace for 1904R 1906R Rochester Quadrajet 4MV Vacuum Secondary 650/750 CFM Carburetor

Part Numbers:

CB305350, ND4478, QJE-650E-LV1, 14069906, 7028230, 7028237, 7028238, 7028239, 7029231, 7029232, 7029233

#1904R or #1906R

Tech Infos:

• Down draft

• Choke: Electric choke

• Auxiliary Venturi: 7mm

• Venturi (Choke Tube): 31.7mm
• Main Jets: 190
• Air Correction Jets: 190
• Idle Jets: 120
• Needle Valve: 3.3

• 650/750 CFM

Package Including:

• 1 x Carburetor
• other accessories
• as the pictures

 

 

Note:

* Please clean up the oil channels and air filters as well as use the clean fuel before installing the carburetors
* Please confirm your old part number matches up with one of the part numbers above
* Professional installation is highly recommended