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Quick Fuel Q-Series 4-Barrel Carburetors
Carburetor, Alcohol, 4150, 850 cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Dual Inlet, Each
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Estimated Ship Date from Texas: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
Q-850-A
Part Type:
Product Line:
Summit Racing Part Number:
QFT-Q-850-A
UPC:
849804001024
CFM:
850
Fuel Category:
Alcohol
Remanufactured:
No
Number of Barrels:
4
Carburetor Flange:
Square bore
Choke:
None
Secondary Type:
Mechanical
Fuel Inlet:
Dual
Primary Jet Size:
154
Primary Power Valve (Hg):
4.5 Hg
Secondary Jet Size:
154
Primary Outer Air Bleed Sizes Included:
55
Primary Inner Air Bleed Sizes Included:
31
Secondary Power Valve:
Plug
Secondary Outer Air Bleed Sizes Included:
55
Secondary Inner Air Bleed Sizes Included:
31
Carburetor Color:
Tumble polished
Ford Kickdown:
No
Booster Type:
Down-leg
Throttle Linkage Type:
Universal
Carburetor Height (in.):
3.250 in.
Quantity:
Sold individually.
Notes:
Carburetor features a high-flow main body, billet metering blocks, and billet throttle baseplate. Fuel inlets are 7/8-20 in. thread.
Quick Fuel Q-Series 4-Barrel Carburetors
Get big-time performance with Quick Fuel Q-Series 4-barrel carburetors with high-flow main bodies, which include either down-leg or annular boosters, screw-in idle and high-speed air bleeds, accelerator pump discharge nozzles, and a blended venturi area. These carburetors have CNC-machined billet metering blocks with 4-stage emulsion to provide more precise fuel metering, improve throttle response, and give a more uniform fuel performance curve. With so many great benefits and their blend of performance and drivability, it's no wonder that these Quick Fuel Q-Series carburetors are the popular choice. So, go ahead--throttle it up with Quick Fuel!
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Some parts are not legal for use in California or other states with similar laws / regulations
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