HOLLEY 3C650800 Carburetor Baseplate Cfm Double Pumper 4150 4-BARREL

( Brand: Holley ), ( Type: Base Plate ), ( Oe/oem Part Number: 4777 4778 4779 4780 ), ( Manufacturer Part Number: 3C650800 )

Review HOLLEY 4150 4-barrel Carburetor Baseplate Cfm Double Pumper 3c fits 650 700 750 800

The Holley 3C650800 4150 4-barrel carburetor baseplate is a high-performance component designed for use with Holley 4150 series carburetors. This baseplate is suitable for engines with CFM ratings between 650 and 800, making it an ideal choice for a wide range of performance applications.

This double pumper baseplate is engineered to provide excellent flow characteristics and fuel distribution, ensuring that your engine receives a consistent fuel mixture under various operating conditions. The baseplate is CNC-machined from 6061-T6 aluminum for superior strength and durability. It features a polished finish that not only looks great but also helps to reduce friction and promote smooth engine operation.

The Holley 3C650800 baseplate is designed to work with Holley 4150 series carburetors that have a 3-inch flange and a float bowl capacity of 2.15 quarts. It is compatible with engines that require a baseplate with a thickness of 3/16-inch or 1/8-inch. The baseplate comes with pre-drilled mounting holes to make installation quick and easy.

One of the standout features of this baseplate is its ability to accommodate double pumpers. Double pumpers are an essential accessory for high-performance applications that require increased fuel pressure. This baseplate allows you to install double pumpers on either side, providing the necessary clearance and support for optimal performance.

Another advantage of this baseplate is its compatibility with a wide range of engines. It is suitable for engines with displacements ranging from 271 to 427 cubic inches, making it a versatile option for a variety of applications. Whether you're building a hot rod, restoration project, or high-performance race engine, this Holley 3C650800 4-barrel carburetor baseplate is an excellent choice.

In summary, the Holley 3C650800 4-barrel carburetor baseplate is a high-quality, CNC-machined component designed for use with Holley 4150 series carburetors. It is suitable for engines with CFM ratings between 650 and 800 and can accommodate double pumpers. The baseplate is made from 6061-T6 aluminum and features a polished finish. It is compatible with a wide range of engines and comes with pre-drilled mounting holes for easy installation.

The Holley 3C650800 4150 4-barrel carburetor baseplate is a popular choice for automotive enthusiasts looking to upgrade their carburetors for better performance. This baseplate is suitable for engines with CFM ratings between 650 and 800. Here are some pros and cons that may help you make an informed decision about purchasing this product.

1. High CFM rating: With a CFM range of 650-800, this baseplate is ideal for high-performance applications that require a large airflow volume.

2. Double pumper design: The double pumper design ensures proper fuel pressure and delivery to the carburetor, leading to improved fuel economy and better engine performance.

3. Versatile application: This baseplate is compatible with a wide range of Holley 4150 carburetors, making it a versatile choice for different engine builds.

4. Durable construction: Holley carburetors are known for their robust and durable design, ensuring long-lasting performance even in demanding conditions.

5. Easy installation: The baseplate is relatively easy to install, and Holley provides clear instructions and installation guides to make the process as smooth as possible.

1. Higher cost: Compared to stock carburetors or other aftermarket options, Holley carburetors and baseplates can be more expensive.

2. Requires tuning: To get optimal performance from a Holley carburetor, it may require tuning, which can be a time-consuming and complex process.

3. Compatibility issues: While the baseplate is compatible with many Holley carburetors, it may not be compatible with all models, so it's essential to ensure that it matches the specific carburetor you plan to use.

4. Complexity: Holley carburetors and baseplates can be more complex than stock components, which may require more maintenance and adjustment.

The Holley 3C650800 4150 4-barrel carburetor baseplate is an excellent choice for automotive enthusiasts looking for high-performance carburetion for their engine. Its double pumper design, versatile application, and durable construction make it a popular option for those seeking improved fuel economy, better engine performance, and a more significant power output. However, its higher cost, potential tuning requirements, and compatibility issues may be drawbacks for some potential buyers. Ultimately, the decision to purchase this baseplate depends on your specific needs, budget, and engine application.

If you're looking for a high-performance carburetor baseplate for your engine and are willing to invest in a premium option, the Holley 3C650800 4150 4-barrel carburetor baseplate is an excellent choice. Its robust design, versatility, and compatibility with a wide range of Holley carburetors make it a popular option for those seeking improved engine performance and fuel economy. However, be sure to carefully consider the potential drawbacks, such as the higher cost and potential tuning requirements, before making your purchase.

part # 3c650800 prices

• $70.00-$189.29

specifications carbcaddie:

• for models: 650, 700, 750, 800
• brand: Holley
• type: Base Plate
• oe/oem part number: 4777 4778 4779 4780
• manufacturer part number: 3C650800

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: Used

payments carbcaddie:

• other
• wallet: Paypal
• credit card: Mastercard

seller carbcaddie:

• # reviews: 32714
• rating: 100.0%

shipping carbcaddie:

• type: Calculated
• carrier: USPS
• class: Standard
• transit: 4-11 Days
• service: USPS Ground Advantage
• cost: $0.00

offer carbcaddie:

• options: Ship-to-home
• started: January 9, 2026
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock

returns carbcaddie:

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

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