HOLLEY Double Pumper Carburetor 4150/80466-1/800CFM

( Brand: Holley ), ( Manufacturer Part Number: 80466-1 ), ( Non-domestic Product: No ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Manufacturer Warranty: 90 Day ), ( Fitment Type: Performance/custom ), ( Modified Item: Yes )

Review HOLLEY 4150/80466-1/800cfm Double Pumper Carburetor fits MARINE

Introducing the Holley 80466-1 4150/80466-1/800cfm Marine Double Pumper Carburetor, a high-performance solution for your marine engine. This carburetor is engineered to deliver consistent and reliable fuel delivery in even the most demanding marine applications.

The 800cfm double pumper design offers excellent vacuum secondary circulation for smooth idling and quick throttle response. The combination of 4150 primary and 800cfm secondary venturi sizes ensures optimal fuel delivery for large marine engines. This carburetor is designed to work with both gasoline and methanol fuels, making it a versatile choice for various marine applications.

The marine-grade aluminum body is specifically designed to withstand the rigors of marine environments. The float bowls are equipped with baffles to prevent fuel slosh and provide stable fuel level sensors. The carburetor also features a water-resistant gasket and breather system to prevent water intrusion, ensuring long-lasting performance.

This Holley marine carburetor comes with a number of convenient features, including a built-in fuel pressure regulator, adjustable idle mixture screws, and an adjustable idle jet. The primary jets are also adjustable, allowing for fine-tuning of the fuel mixture for optimal engine performance. The carburetor is easily installable with its included mounting hardware and adjustable linkage brackets.

The Holley 80466-1 4150/80466-1/800cfm Marine Double Pumper Carburetor is a high-quality and reliable choice for marine engine enthusiasts. Its robust design, versatile fuel compatibility, and adjustable features make it an excellent investment for those seeking optimal power and performance from their marine engine.

Holley 80466-1 4150/80466-1/800cfm marine double pumper carburetor is a popular choice for marine applications due to its durability and high performance. Here are some pros and cons that can help you make an informed decision:

1. High Flow Rate: This carburetor offers a high flow rate of 800cfm, making it ideal for high-performance marine applications.

2. Durability: Holley carburetors are known for their durability. This particular model is designed for marine use and is built to withstand the harsh conditions found in a boating environment.

3. Versatility: The Holley 80466-1 can be used with various fuel types, including gasoline and methanol.

4. Adjustability: This carburetor offers a wide range of adjustability, allowing users to fine-tune the air/fuel mixture for optimal performance.

5. Easy to Install: The Holley 80466-1 comes with all the necessary hardware for installation, making it a relatively easy process.

1. Price: This carburetor is on the higher end of the price spectrum compared to other marine carburetors.

2. Complexity: The adjustability features of this carburetor can make it more complex to set up and tune compared to simpler models.

3. Maintenance: Due to its high-performance design, this carburetor may require more frequent maintenance to ensure optimal performance.

In conclusion, the Holley 80466-1 4150/80466-1/800cfm marine double pumper carburetor is a high-performance, durable, and versatile option for marine applications. However, its higher price point and complexity may be a drawback for some users. Ultimately, if you are looking for a high-performance marine carburetor that can handle the demands of your application and you are willing to invest in the maintenance, then this is a great choice. If you are looking for a more budget-friendly or simpler option, there may be other carburetors that better suit your needs.

Details:

#70, Is totally rebuilt, is in very good condition, and ready to install. This is an actual photo of the carb. Holley Marine 4150/80466-1/800c fm, double pumper carburetor.

part #: 804661 prices

• $499.99-$829.99

specifications carbcoon:

• for models: Marine
• brand: Holley
• mpn: 80466-1
• non-domestic product: No
• type: Carburetor
• mounting flange type: Square Bore
• manufacturer warranty: 90 Day
• fitment type: Performance/custom
• modified item: Yes

offer carbcoon:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: January 23, 2026
• availability: In Stock

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: Remanufactured

seller carbcoon:

• rating: 100.0%
• city: Honesdale, Pennsylvania
• # reviews: 2989

payments carbcoon:

• credit card: Discover
• other
• wallet: Google-pay

returns carbcoon:

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

shipping carbcoon:

• carrier: USPS
• transit: 4-10 Days
• class: Expedited
• cost: $18.75
• service: USPS Priority Mail Large Flat Rate Box
• type: Fixed

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