HOLLEY 6854 Cfm Double Pumper Carburetor Spread 4165 6212

( Brand: Holley ), ( Manufacturer Part Number: 6854 ), ( Type: Carburetor ), ( Features: Down Draft ), ( Mounting Flange Type: Spread Bore ), ( Performance Part: Yes ), ( Universal Fitment: No )

Review HOLLEY Cfm Double Pumper Carburetor List Chevrolet Spread Bore fits 800

The Holley 6854 4165 800 CFM Double Pumper Carburetor is a high-performance fuel delivery solution designed for applications requiring large CFM volumes. This carburetor is specifically engineered for small block Chevrolet engines, specifically those with a 6212 spread.

The Holley 4165 series Double Pumper Carburetor is renowned for its exceptional performance and reliability. With an impressive flow rate of 800 CFM at 0.050-inch lift, this carburetor delivers ample fuel to support high-performance applications. The double pumper design ensures consistent fuel delivery under varying engine loads and RPMs, making it a popular choice among racers and enthusiasts.

This carburetor features a durable cast aluminum construction, ensuring long-lasting performance. The enclosed design of the carburetor helps protect internal components from external elements, while the adjustable idle mixture screws allow for precise tuning of your engine's idle.

The Holley 6854 4165 800 CFM Double Pumper Carburetor is equipped with a primary and secondary float bowl setup, which helps maintain a consistent fuel level and delivery rate throughout the engine's operating range. The bowl drains are easily accessible, making it simple to remove and clean the floats as needed.

Additionally, this carburetor includes Holley's vacuum secondaries, which provide a significant power boost by enriching the fuel mixture during high RPMs and vacuum conditions. The secondary metering rods are adjustable, allowing you to fine-tune the fuel mixture to optimize engine performance.

This carburetor is compatible with standard Holley 4150 intake manifolds and comes with a gasket, making installation a straightforward process. The Holley 6854 4165 800 CFM Double Pumper Carburetor is an excellent choice for those seeking a high-flow, reliable fuel delivery system for their small block Chevrolet engine.

The Holley 6854 4165 800 CFM Double Pumper Carburetor is a popular choice for Chevrolet small-block engines, particularly those seeking high performance. Here are some pros and cons to help you make an informed decision about purchasing this carburetor:

1. High Flow Rate: With a flow rate of 800 CFM, this carburetor is ideal for high-performance applications, providing ample fuel to the engine for improved power and throttle response.

2. Double Pumper Design: The double pumper design provides excellent vacuum secondaries, which help to maintain a consistent fuel mixture under varying engine loads and RPMs.

3. Versatile: The Holley 6854 4165 Carburetor can be used with a wide range of fuel systems, including electric and mechanical fuel pumps, making it a versatile option for different applications.

4. Easy-to-Tune: Holley carburetors are known for their ease of tuning, with features like adjustable idle mixture screws, primary and secondary idle jet kits, and power valve adjustments.

5. Durable: Holley carburetors are built to last, with high-quality materials and robust designs that can withstand the demands of high-performance applications.

1. Complexity: Double pumper carburetors like the Holley 6854 4165 can be more complex to install and tune than single-pumper carburetors, requiring more time and expertise.

2. Cost: The Holley 6854 4165 Carburetor is a high-performance option, and its price reflects its capabilities. This may be a consideration for budget-conscious enthusiasts.

3. Size: Due to its high-performance capabilities, the Holley 6854 4165 Carburetor is larger than some other options, which could impact installation clearance in some applications.

The Holley 6854 4165 800 CFM Double Pumper Carburetor is an excellent choice for those seeking high-performance capabilities in their Chevrolet small-block engine. Its high flow rate, double pumper design, versatility, ease of tuning, and durability make it a popular choice among enthusiasts. However, its complexity, cost, and size are important considerations that should be taken into account before making a purchase. Ultimately, if you're looking for a high-performance carburetor for your Chevrolet small-block engine, the Holley 6854 4165 is a solid option to explore further.

If you're seriously considering purchasing the Holley 6854 4165 800 CFM Double Pumper Carburetor, I would recommend taking the time to familiarize yourself with its installation and tuning requirements. This may involve consulting Holley's technical resources, seeking out expert advice from a performance shop or experienced mechanic, or investing in a quality carburetor tuning kit. Additionally, be sure to assess the available clearance for the carburetor in your engine bay, and consider the impact of its size and cost on your overall project budget. With careful planning and preparation, the Holley 6854 4165 Carburetor can deliver impressive performance gains for your Chevrolet small-block engine.

Details:

1 - USED HOLLEY LIST 4165 800 cfm DOUBLE PUMPER CARBURETOR, NUMBER 6212 DATE CODE 232. HI PERFORMANCE REPLACEMENT FOR QUADRAJET CARBURETORS ON 65-70 427 AND 454 CHEVY ENGINES.

part #: 6854 prices

• $69.99-$149.95

specifications carbcoon:

• for models: 800
• for makes: Chevrolet
• brand: Holley
• mpn: 6854
• type: Carburetor
• features: Down Draft
• mounting flange type: Spread Bore
• performance part: Yes
• universal fitment: No

general carbcoon:

• condition: For parts or not working
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

shipping carbcoon:

• carrier: UPS
• type: Calculated
• service: UPS Ground, UPS Next Day Air, UPS Next Day Air Saver, UPS 2nd Day Air
• transit: 4-6 Days
• class: Standard, One-day, Expedited
• cost: $29.97

offer carbcoon:

• quantity: 1
• options: Ship-to-home
• started: August 31, 2025
• availability: In Stock
• sold: 0

returns carbcoon:

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

seller carbcoon:

• # reviews: 815
• city: wood way, Texas
• rating: 100.0%

payments carbcoon:

• wallet: Apple-pay
• other
• credit card: Mastercard

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