Rochester Quadrajet Carburetor 4 Barrel Carb New compatible with Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 1901R 4MV Corvettes 1975-1979 Manual Choke 1901-GG 750 CFM

Specifications: Barrel count:4 Barrel Fitment Type:Direct Replacement Choke Type: Manual Choke Brand: NACHUAN Condition:100% new product,not remanufactured. Package:Come as shown in the picture.Ready to install. Compatible vehicle： Replaces Part Numbers: NACHUAN brand 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: Carburetor compatible with 1970-1972 V8 Chevy big block Mark IV 6.6L/402 Carburetor compatible with 1967-1973 V8 Chevy small block Gen I 5.7L/350 Carburetor compatible with1966-1970 V8 Chevy big block Mark IV 6.5L/396 Street Carburetor compatible with 1966-1969 V8 Chevy small block Gen I 5.4L/327 Street Carburetor compatible with 1966-1969 V8 Chevy big block Mark IV 7.0L/427 Street Carburetor compatible with 1970-1973 V8 Chevy big block Mark IV 7.4L/454 Carburetor compatible with 1970-1973 V8 Chevy small block Gen I 6.6L/400 Carburetor compatible with GMC 1967-1968 V8 Chevy small block Gen I 5.4L/327 Carburetor compatible with GMC 1968-1969 V8 Chevy big block Mark IV 6.5L/396 Carburetor compatible with GMC 1969-1973 V8 Carburetor compatible with Chevy small block Gen 5.7L/350 Carburetor compatible with GMC 1970-1973 V8 Chevy big block Mark IV 7.4L/454 Carburetor compatible with GMC 1971-1972 V8 Chevy big block Mark IV 6.6L/402.

• Fitment: Vacuum Secondary,Manual choke,Spread bore carburetor, more suitable for dailydrive.Carburetor compatible with 1966-1973 Chevy 327-454c.i, 1975-1979 Corvettes, 1968-1973 Chevy/GMC Trucks Part Number 1901R.compatible with 1966-1973 Chevy Chevrolet GMC Cadillac Fits 327 350 427 454 with Divorced Mechanical Choke.
• Replacement: This is brand new 4-BBL carburetor from NACHUAN brand can directly replace for the Rochester Quadrajet.Replace For 1901-GG 1901R Rochester Quadrajet Carburetor- 4MV.
• Specification:Carburetor from NACHUAN brand For Rochester Quadrajet can range anywhere in between 600 and 750 CFM. Maximum Flow (cfm) :750. 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.
• Installation Note:This product does not come with installation instructions. For guidance, we recommend searching for online video tutorials related to your specific model. Please ensure you follow all steps carefully. If you have any questions or need clarification, don't hesitate to contact us—we're happy to help
• Important Note:Verify that this carburetor's size matches your existing unit before purchasing. Designed exclusively for **automotive applications** – not suitable for marine use.- Improper use may result in malfunction.