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850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style – Northline Parts
  • 850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style – Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
  • Quick Fuel Carburetor for Street Series Mechanical Secondary 4-Barrel 850CFM NEW - aftermarket replacement part from Northline Parts
850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style

850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style

SKU: NLT2S00643
$320.79 In Stock
$320.79
$320.79
Ships for free in 2–4 business days.
This 850 CFM four-barrel mechanical-secondary carburetor is listed for performance gasoline engines using a compatible square-bore intake manifold and throttle linkage.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model

Listed applications and configurations:

  • Gasoline performance engine — matching square-bore four-barrel intake manifold
  • Custom/modified V8 application — 850 CFM mechanical-secondary carburetor specification

Fitment note: The listing does not provide a unique Quick Fuel manufacturer model number. Verify throttle, fuel inlet, choke arrangement and exact unit pictured; 850 CFM alone is not a part number.

Product Overview

Its four-barrel design meters fuel and air for engines that need the stated airflow, with mechanically operated secondary throttles.

A carburetor upgrade requires correct engine airflow demand, jetting, fuel pressure, intake flange and choke arrangement. An oversized carburetor can hurt low-speed response on a smaller engine.

The listing does not provide a unique Quick Fuel manufacturer model number. Verify throttle, fuel inlet, choke arrangement and exact unit pictured; 850 CFM alone is not a part number.

Key Features & Performance

  • Application: Gasoline performance engine — matching square-bore four-barrel intake manifold.
  • Purpose: Its four-barrel design meters fuel and air for engines that need the stated airflow, with mechanically operated secondary throttles.
  • Identification: Match the pictured component to your original part before ordering.

Specifications

  • Part / assembly: 850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style
  • Application / size: Gasoline performance engine — matching square-bore four-barrel intake manifold
  • Reference number(s): No independently confirmed OEM interchange number supplied
  • Northline Parts SKU: NLT2S00643

Replaces Part Numbers

A reliable OEM replacement number has not been established for this listing. Verify the original component markings, measurements, and configuration rather than ordering by vehicle name alone.

What Is Included

The replacement component or kit pictured in this listing. Accessories, mounting hardware, fluids, and seals are included only when specifically shown or stated.

Installation & Fitment Notes

The listing does not provide a unique Quick Fuel manufacturer model number. Verify throttle, fuel inlet, choke arrangement and exact unit pictured; 850 CFM alone is not a part number.

Inspect related components during replacement and follow the equipment manufacturer’s procedures for fastener torque, alignment, sealing, and any required calibration or fluid service. Do not assume that installation supplies or fluids are included.

Frequently Asked Questions

Is this an OEM part?

No. Unless the product listing explicitly states otherwise, this is an aftermarket replacement. The manufacturer names and OE references identify applicable equipment, not the maker of this item.

How do I check fitment?

The listing does not provide a unique Quick Fuel manufacturer model number. Verify throttle, fuel inlet, choke arrangement and exact unit pictured; 850 CFM alone is not a part number.

What if my model year appears above but the part looks different?

Do not install it based on the model year alone. Factory equipment changes by engine, build date, trim, mounting style, and option package. Match the original part number and physical connections first.

Part Summary

Part: 850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style

Applications: Gasoline performance engine — matching square-bore four-barrel intake manifold; Custom/modified V8 application — 850 CFM mechanical-secondary carburetor specification

Reference Numbers: No independently confirmed OEM interchange number supplied

Purpose: Its four-barrel design meters fuel and air for engines that need the stated airflow, with mechanically operated secondary throttles.

Northline Parts SKU: NLT2S00643

Keywords: 850 CFM 4-Barrel Mechanical-Secondary Performance Carburetor – Quick Fuel Street Style, NLT2S00643, Northline Parts, Gasoline performance engine — matching square-bore four-barrel intake manifold, Custom/modified V8 application — 850 CFM mechanical-secondary carburetor specification.

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