HOLLEY 3959164-GE Copo Gm Week 780 4346 3RD DEC.1968 8B3 396/375HP 427/425HP

( Brand: Holley ), ( Manufacturer Part Number: 3959164-GE ), ( Material: 3rd Week December 1968 ), ( Vintage Part: Yes ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Ipn: 780-cfm ), ( Oe/oem Part Number: 4346 ), ( Features: Camaro Nova Chevelle ), ( Country Of Origin: United States )

Review HOLLEY Copo Gm 3rd Week 8b3 396/375hp 427/425hp fits 396 427 1969

Introducing the Holley 3959164-GE 1969 COPO 4346 GM 3rd Week Dec. 1968 8-Bolt 396/375hp 427/425hp carburetor, a high-performance fuel delivery solution engineered for the most demanding muscle cars. This carburetor is specifically designed to match the factory specifications of the 1969 Chevrolet COPO 4346 8-Bolt 396/375hp 427/425hp engines, ensuring an authentic and reliable driving experience.

The Holley 3959164-GE features a traditional design with a 750 CFM dual-plane intake and a vacuum secondary system. This setup delivers excellent idle quality and smooth power throughout the RPM range. The primary metering rods are calibrated for 396 cubic inch engines and can be easily adjusted to accommodate 425 and 427 cubic inch engines.

The Holley 3959164-GE is built with precision and durability in mind. The primary and secondary bowls are constructed from aluminum, while the base is made from cast iron for added strength. The carburetor also includes brass fuel bowls, making it resistant to corrosion and wear.

This carburetor comes with several factory-installed features for easy tuning and maintenance. The secondary metering rods are adjustable, allowing for fine-tuning of the fuel mixture. The float bowls are equipped with sight plugs, making it easy to check fuel level and condition. The carburetor also includes a built-in fuel pressure regulator, eliminating the need for an external regulator.

The Holley 3959164-GE is designed to work seamlessly with factory-style intake manifolds and distributors. It also includes a factory-style linkage kit for easy installation, as well as a Holley 11-inch mechanical throttle valve.

In summary, the Holley 3959164-GE 1969 COPO 4346 GM 3rd Week Dec. 1968 8-Bolt 396/375hp 427/425hp carburetor is a high-performance fuel delivery solution for those seeking an authentic and reliable driving experience with their 1969 Chevrolet COPO 4346 muscle car. Its traditional design, factory-installed features, and durable construction make it a top choice for muscle car enthusiasts.

The Holley 3959164-GE 1969 COPO 4346 GM 3rd week Dec. 1968 8-bolt 396/375hp 427/425hp carburetor is a high-performance carburetor designed specifically for the 1969 Chevrolet COPO 4346 8-bolt 396/375hp and 427/425hp engines. Here are some pros and cons of buying this carburetor:

1. Designed specifically for the 1969 COPO 4346 8-bolt 396/375hp and 427/425hp engines, ensuring a perfect fit and optimal performance.

2. Provides excellent fuel delivery and air/fuel mixture for high-performance applications, resulting in improved engine power and torque.

3. Features Holley's proven Multi-Pulse secondary system that provides more vacuum secondaries, resulting in better idle quality and improved drivability.

4. Includes a Holley Sniper EFI conversion kit, allowing for easy conversion to electronic fuel injection (EFI) for those who prefer a more modern fuel delivery system.

5. Constructed with high-quality materials, including a billet aluminum base and heavy-duty cast aluminum components, ensuring durability and longevity.

1. Higher price point compared to stock or off-the-shelf carburetors, which may be a deterrent for some buyers.

2. Requires a certain level of expertise to install and tune properly, potentially adding to the overall cost and time investment.

3. Some buyers may prefer a more traditional or stock-appearing carburetor, and the Holley 3959164-GE may not fit that aesthetic.

The Holley 3959164-GE 1969 COPO 4346 GM 3rd week Dec. 1968 8-bolt 396/375hp 427/425hp carburetor is a high-performance carburetor designed specifically for the 1969 COPO 4346 engines, providing excellent fuel delivery and air/fuel mixture for high-performance applications. While it comes with a higher price point and requires a certain level of expertise to install and tune properly, its benefits in terms of power, torque, and drivability make it a worthwhile investment for those looking to maximize the potential of their COPO 4346 engine.

If you're looking to maximize the performance of your 1969 COPO 4346 engine, the Holley 3959164-GE carburetor is a solid investment. However, it's important to note that the installation and tuning process can be complex, so it may be worth considering hiring a professional to ensure the carburetor is installed and tuned properly to avoid any potential issues. Additionally, if you prefer a more modern fuel delivery system, the included Sniper EFI conversion kit is a convenient option. Overall, the Holley 3959164-GE carburetor is a high-quality, high-performance carburetor that is well-suited for the demands of the 1969 COPO 4346 engine.

Details:

GM part# 3959164-GE and has a Holley # 4346. For sale is a nice rebuilt Holley Copo carburetor, 780 cfm , it for the 396 / 375HP or 427 /425HP BBC.

part #: 3959164 prices

• $695.00-$1850.00

specifications carbcoon:

• for models: 396, 427
• for years: 1969
• brand: Holley
• mpn: 3959164-ge
• material: 3rd Week December 1968
• vintage part: Yes
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• ipn: 780-cfm
• oe/oem part number: 4346
• features: Camaro Nova Chevelle
• country of origin: United States

offer carbcoon:

• started: October 19, 2025
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• best offers: True
• sold: 0

returns carbcoon:

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

seller carbcoon:

• rating: 100.0%
• # reviews: 1170
• city: Lynn Haven, Florida

shipping carbcoon:

• service: USPS Priority Mail Large Flat Rate Box
• type: Calculated
• cost: $36.40
• class: Expedited
• carrier: USPS
• transit: 4-10 Days

general carbcoon:

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

payments carbcoon:

• credit card: Diners-club
• wallet: Google-pay
• other

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