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[Wide Compatibility] 4 Barrel Quadrajet electric choke carburetor for Chevy/GMC 305–350 cu.in V8 engines from 1980–1989, for 1980 Chevy Cars, Replace #1904R; 1981-1986 Chevy/GMC trucks with electric choke, use #1904R or #1906R. 4 BBL rochester carburetor compatible with EGR, not for use with computer controlled vehicles
[High Airflow for Performance] Rochester Quadrajet Carburetor delivers between 600–750 CFM of airflow, enhancing throttle response, combustion efficiency, and overall engine power. Ideal for restoring performance in classic trucks, improves overall performance and drivability
[About Jets] The size of Main jet: 190; Idle jet: 120; Auxiliary Venturi: 7mm; Venturi(Choke tube): 31.7mm; Air correction jets: 190; Needle valve: 3.3. Adjustments may be needed for some vehicles to prevent rich mixtures and ensure optimal fuel-air balance
[Complete Kit] This Rochester Quadrajet 4 barrel carburetor comes with essential gaskets Includes Flange Gaskets, Air Filter Gaskets, Tool for Pushing Plug Plugs, Jets and a complete Carburetor. Perfect for DIYers and professionals alike
[Important Note] This 4MV carburetor does not include electrical plugs or the AC throttle kick-up assembly. Not recommended for marine use. Please check for fuel leaks after installation and fine-tune the air-fuel ratio for optimal performance and fuel efficiency
[Warranty] We offers one-year unlimited-mileage guarantee on our meticulously crafted chevy 350 engine quadrajet carburetor

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Rochester Quadrajet Carburetor – 4MV – 1980-1989 Electric Choke 1904R

4-bbl. Carburetor

Q-Jet Casting

750 CFM

Vacuum Secondary

Electric Choke

1980-89 305-350c.i. Calibration

Direct replacement-style performance carburetors that out perform “over-the-counter” O.E. style replacement carbs. Our 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.

1980-89 305-350c.i. engines, Chevy bowl entrance and linkage style, electric choke, compatible with EGR. Main Jet: 0.073, Metering Rods: Primary – 50M, Secondary – -DR. Not for use with computer controlled vehicles.

Cross Reference Guide For 1904R

1980 Chevy cars, use #1904R

17066422 17066425 17066432 17066493 17066553 17066556 17066563 17066605 17080202 17080204 17080207 17080228 17080274 17080282 17080284 17081282 17081283 17081284 17081285 17082280 17082281 17082282 17082283 17082284 17083282 17083283 17084284 17084285 17084288 17084289

1981-86 Chevy/GMC trucks with electric choke, use #1904R or #1906R

17065524 17067254 17067256 17067258 17067268 17067280 17067284 17067336 17068501 17068503 17068505 17068587 17068590 17068596 17078230 17078237 17078249 17078254 17078267 17078282 17078283 17078284 17078297 17079283 17079284 17079287 17079288 17079289 17079290 17079322 17079902 17079906 17079910 17079915 17081200 17081201 17081204 17081205 17081220 17081226 17081227 17081285 17081290 17081291 17082221 17082222 17082224 17082225 17082226 17082227 17082230 17082231 17082234 17082235 17082280 17082290 17082291 17082292 17082293 17083220 17083222 17083223 17083224 17083225 17083226 17083227 17083231 17084220 17084221 1708422

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