Description:

This 4 Barrel Carburetor is a high performance replacement for Rochester Quadrajet systems designed to improve throttle response and overall engine performance across the RPM range.

• Model: 1901R
• Fitment: Vacuum Secondary, divorced choke, Spread bore carburetor
• Compatible Engines: Chevy 327, 350, 427, 454 V8 engines
• Vehicle Compatibility: 1966 to 1973 Chevy and GMC Trucks, 1975 to 1979 Corvettes
• CFM Rating: Ranges between 600 and 750 CFM
• Main Jet: 185
• Idle Jet: 120
• Auxiliary Venturi: 7.3mm
• Venturi Choke Tube: 28mm
• Air Correction Jets: 110
• Needle Valve: 3.3
• Exterior Finish: Polished
• Fuel Type: Liquefied Petroleum Gas
• Interchange Part Numbers: 7026202, 7026203, 7026210, 7027202, 7027203, 7027212, 7027213, 7040007, 7040021, 7046904, 7047207, 7047303, 7047305, 7047306, 7047307, 7047316, 7047319, 17054236, 17054709, 170549
• Application: Automotive use only, not recommended for marine purpose