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Quick Fuel Q-Series 4-Barrel 850 CFM Carburetor Q-850 Carburetor, Gasoline, 4150, cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Dual Inlet, Each

SKU: QFTQ-850

Carburetors

Quick Fuel Q-Series 4-Barrel 850 CFM Carburetor Q-850 Carburetor, Gasoline, 4150, cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Dual Inlet, Each

SKU: QFTQ-850

Carburetors

Sale ends in Calculating...

A$2,356.88 A$2,841.42
LOW STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Exclusive Quick Fuel flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Quick Fuel part numbers. There's never been a better time to buy your Quick Fuel upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Carburetor - Q-Series Drag Race - 4-Barrel - 850 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Aluminum - Red Anodized / Tumble Polished - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 13:56:15

Data: v4.2 - Upd: 2026-11-09 03:27:33

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Quick Fuel, Quick Fuel (holley), Quick Fuel Technology
StreetFX SKU qftQ-850
SFX Item ID 5024931
Accounting SKU qft-Q-850
Manufacturer SKU Q-850
Manufacturer UPC 849804001017
Alternative References Q-850, QFT-Q-850, QKFQ-850

Carburetor, Gasoline, 4150, 850 cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Dual Inlet, Each

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!

Product Attributes
BrandQuick Fuel
Manufacturer's Part NumberQ-850
Part TypeCarburetors
Product LineQuick Fuel Q-Series 4-Barrel Carburetors
UPC849804001017
CFM850
Fuel CategoryGasoline
RemanufacturedNo
Number of Barrels4
Carburetor FlangeSquare bore
ChokeNone
Secondary TypeMechanical
Fuel InletDual
Primary Jet Size76
Primary Power Valve (Hg)4.5 Hg
Secondary Jet Size84
Primary Outer Air Bleed Sizes Included70
Primary Inner Air Bleed Sizes Included33
Secondary Power ValvePlug
Secondary Outer Air Bleed Sizes Included70
Secondary Inner Air Bleed Sizes Included33
Carburetor ColorTumble polished
Ford KickdownNo
Booster TypeDown-leg
Throttle Linkage TypeUniversal
Carburetor Height (in.)3.250 in.
QuantitySold individually.
NotesCarburetor features a high-flow main body, billet metering blocks, and billet throttle baseplate. Fuel inlets are 7/8-20 in. thread.

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