Rochester Quadrajet Carburetor for Chevy and GMC Trucks 1966-1973 V8 Engines

About this item

• Replace Part Number: Directly replacement 4-BBL carburetor Replace For 1901-GG Rochester Quadrajet Carburetor- 4MV - 1966-1973, 1975-1979 Corvettes,1968-1973 Chevy/GMC Trucks Part Number 1901R. Interchange with Chevy 7026202 7026203 7026210 7027202 7027203 7027212 7027213 7040007 7040021 7046904 7047207 7047303 7047305 7047306 7047307 7047316 7047319 17054236 17054709 170549.
• Fitment: Vacuum Secondary,Manual choke,Spread bore carburetor, more suitable for daily drive.Carburetor Fits For 1901R Rochester Quadrajet 4MV，Directly replacement 4-BBL carburetor compatible for 1966-1973 Chevy 327-454c.i, 1975-1979 Corvettes, 1968-1973 Chevy/GMC Trucks Part Number 1901R.For 1966-1973 Chevy Chevrolet GMC Cadillac Fits 327 350 427 454 with Divorced Remote Mechanical Choke
• This Universal Performance carburetors improve throttle response and overall performance throughout the RPM range. Each carb has a distinctly different fuel curve calibrated for a particular application. Do note: Condering the vehicle dispacement range discrepancy, some vehicles may be too rich with black smoke from the muffler, You may have to use The included tool and small copper solid pin to block the air channels to fix it, If you are confused, Message us before any adjustment.
• CFM:Carburetor For Rochester Quadrajet can range anywhere in between 600 and 800 CFM. Most are rated 750 CFM.Specification the size of jets that pre-installed:Main jet: 185, Idle jet: 120, Auxiliary Venturi: 7.3mm; Venturi(Choke tube):28mm, Air correction jets: 110, Needle valve: 3.3.CFM:Our Carburetor For Rochester Quadrajet can range anywhere in between 600 and 800 CFM. NOTE:This carburetor is suitable for automotive. We do not recommend it for marine purpose.
• Customer Service:This Item comes as shown in the picture.Please check pictures for more details.If you are uncertain about the item, feel free to contact us for confirm.Before purchase, please check carefully whether the carburetor you need to replace is the same as this product. We recommend that you search for relevant installation videos on the Internet and follow the correct steps strictly. Product does not include installation instructions.