1. USED Car/Truck Carburetors Items
  2. sku: 9246641691728792
  3. LABWORK SU800806KU

LABWORK SU800806KU Barrel Carburetor Carb Engines Quadrajet 4MV

fits model: 327, 350, 427, 454. make: Chevrolet.

Su800806ku Labwork 4 Barrel Carburetor Carb For Chevrolet Engines 327 350 427 454 Quadrajet 4mv

( Brand: Labwork ), ( Manufacturer Part Number: SU800806KU ), ( Type: Carburetor ), ( Features: Spread Bore Carburetor, Constant-vacuum, Quadrajet ), ( Choke Type: Mechanical ), ( Placement On Vehicle: Front ), ( Oe/oem Part Number: 7026202 7026203 7026210 7027202 7027203 ), ( Manufacturer Warranty: 1 Year ), ( Package: Comes With Accessories, As Shown In The Picture ), ( Specifications 1: Auxiliary Venturi ), ( Venturi Choke Tube : 28mm ), ( Specifications 2: Main Jet ), ( Specifications 3: Idle Jet ), ( Needle Valve: 3.3 ), ( Fitment Type: Direct Replacement )

Review LABWORK Barrel Carburetor Carb For Chevrolet Engines Quadrajet 4mv fits 327 350 427 454

Introducing the LabWorks SU800806KU Barrel Carburetor, a high-performance replacement option for Chevrolet engines with displacements ranging from 327 to 454 cubic inches. Designed for use with Quadrajet and 4-bolt 4MV intake manifolds, this carburetor is an excellent choice for those seeking to enhance their engine's power and efficiency.

The LabWorks SU800806KU Barrel Carburetor boasts a number of advanced features. Its quad-bore design, with four 2-barrel venturi configurations, allows for optimal air and fuel mixture, resulting in increased horsepower and torque. This carburetor is also equipped with a mechanical secondaries system, which provides additional power under wide-open throttle conditions.

Constructed from high-quality materials, this carburetor is built to withstand the rigors of high-performance driving. Its barrels and base are machined from billet aluminum, which ensures a precise fit and excellent heat dissipation. The carburetor also features a brass fuel bowl with a baffled design, which helps to reduce fuel slosh and improve carburetor stability.

The LabWorks SU800806KU Barrel Carburetor is also designed for easy tuning and adjustment. It comes with adjustable primary and secondary idle circuits, which allow for fine-tuning of engine idle speed and quality. The carburetor also features adjustable secondary throttle plates, which can be used to adjust the secondary vacuum curve for optimal power production.

Additional features of this carburetor include a built-in fuel pressure regulator, which allows for easy fuel pressure adjustment. It also comes with a 3-inch diameter air cleaner element, which provides ample airflow for improved combustion efficiency. The carburetor is also compatible with electronic ignition systems, making it a versatile option for a wide range of performance applications.

In summary, the LabWorks SU800806KU Barrel Carburetor is a premium replacement option for Chevrolet engines with Quadrajet and 4MV intake manifolds. Its advanced quad-bore design, mechanical secondaries system, and high-quality construction make it an excellent choice for those seeking to enhance their engine's power and efficiency. With adjustable primary and secondary idle circuits, adjustable secondary throttle plates, and a built-in fuel pressure regulator, this carburetor is also easy to tune and customize for specific performance applications.

Buying a lab-built carburetor, such as the SU Carburetors part number 800806KU, designed for Chevrolet engines with displacements between 327 and 454 cubic inches (Quadrajet 4V and 4M), carries several advantages and disadvantages.

Advantages:

1. Enhanced Performance: Lab-built carburetors offer improved performance compared to stock carbs. These carbs are tuned to deliver optimal fuel-air mixture, providing better throttle response, increased power, and improved fuel economy.

2. Customizable: Lab-built carbs can be customized to meet specific engine requirements. This includes adjusting the jetting, needle, and idle mixture to suit the individual engine's needs.

3. Durability: Lab-built carbs are made from high-quality materials and are built to last. They often feature heavy-duty components, making them more resilient to wear and tear.

4. Improved Idle Quality: Lab-built carbs offer a smoother and more stable idle than stock carbs. This can result in a more pleasant driving experience.

Disadvantages:

1. Cost: Lab-built carbs are more expensive than stock carbs. This is due to the time, skill, and resources required to create a custom carburetor.

2. Complexity: Lab-built carbs may be more complex than stock carbs. This can make them more difficult to install and tune, requiring a higher level of expertise.

3. Vacuum Secondary: Lab-built carbs often incorporate vacuum secondary systems, which can be sensitive to vacuum leaks. Properly sealing the intake manifold and ensuring the vacuum lines are in good condition is essential.

Conclusion:

The decision to buy a lab-built carburetor, such as the SU Carburetors part number 800806KU, depends on your specific needs and budget. If you are looking for enhanced performance, customization options, and durability, a lab-built carburetor may be the right choice for you. However, if you are on a tight budget or are not comfortable with the complexity of a lab-built carburetor, a stock carburetor may be a more suitable option.

Recommendation:

If you are considering purchasing a lab-built carburetor, it is recommended that you consult with a professional mechanic or carburetor specialist. They can help you determine if a lab-built carburetor is the best choice for your engine and provide guidance on the installation and tuning process. Additionally, investing in a high-quality intake manifold gasket and vacuum lines can help ensure the longevity and optimal performance of the lab-built carburetor.

Details:

Air correction jets:110. Main jet:185. As shown in the picture. Specifications: Auxiliary Venturi:7.3mm.

It does not come with any installation instructions. Venturi Choke tube: 28mm. Please refer to the listing pictures for an accurate of parts included in kit. New List Item.

part #: su800806ku price

  • $147.67

specifications carbcoon:

  • for models: 327, 350, 427, 454
  • for makes: Chevrolet
  • brand: Labwork
  • mpn: Su800806ku
  • type: Carburetor
  • features: Spread Bore Carburetor, Constant-vacuum, Quadrajet
  • choke type: Mechanical
  • placement on vehicle: Front
  • oe/oem part number: 7026202 7026203 7026210 7027202 7027203
  • manufacturer warranty: 1 Year
  • package: Comes With Accessories, As Shown In The Picture
  • specifications 1: Auxiliary Venturi
  • venturi choke tube : 28mm
  • specifications 2: Main Jet
  • specifications 3: Idle Jet
  • needle valve: 3.3
  • fitment type: Direct Replacement

shipping carbcoon:

  • class: Standard
  • cost: $0.00
  • transit: 4-8 Days
  • service: Standard
  • type: Fixed

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  • wallet: Google-pay

returns carbcoon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller carbcoon:

  • # reviews: 12717
  • rating: 99.2%
  • city: Monroe Township, New Jersey

offer carbcoon:

  • options: Ship-to-home
  • started: December 8, 2025
  • best offers: True
  • sold: 0
  • availability: In Stock

general carbcoon:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
for models: 327, 350, 427, 454, for makes: chevrolet, type: carburetor, features: spread bore carburetor, constant-vacuum, quadrajet, choke type: mechanical, placement on vehicle: front, oe/oem part number: 7026202 7026203 7026210 7027202 7027203, manufacturer warranty: 1 year, package: comes with accessories, as shown in the picture, specifications 1: auxiliary venturi, venturi choke tube: 28mm, specifications 2: main jet, specifications 3: idle jet, needle valve: 3.3, fitment type: direct replacement,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 9246641691728792,

Labwork SU800806KU Is Similar To:

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1 offer $147.67 USD
  • Offer #1: $147.67 price + $0.00 shipping estimate = $147.67* total. Specifications: Auxiliary Venturi:7.3mm Venturi(Choke tube):28mm Main jet:185 Air correction jets:110 Idle jet:120 Needle valve:3.3 Fitment: For Chevy big block Mark IV 6.6L/402 1970-1972 V8 For Chevy small block Gen I 5.7L/350 1967-1973 V8 For Chevy big block Mark IV 6.5L/396 Street 1966-1970 V8 For Chevy small block Gen I 5.4L/327 Street 1966-1969 V8 For Chevy big block Mark IV 7.0L/427 Street 1966-1969 V8 For Chevy big block Mark IV 7.4L/454 1970-1973 V8 For Chevy small block Gen I 6.6L/400 1970-1973 V8 For GMC 1967-1968 V8 Chevy small block Gen I 5.4L/327 For GMC 1968-1969 V8 Chevy big block Mark IV 6.5L/396.FREE SHIPPING

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