HOLLEY 9-378 Gm Prod 2BBL. Prod. V6

( Brand: Holley ), ( Type: Choke ), ( Manufacturer Warranty: 1 Month ), ( Manufacturer Part Number: 9-378 ), ( Material: Steel ), ( Vintage Part: Yes ), ( Universal Fitment: No )

Review HOLLEY 2bbl. Gm Prod. V6 Pull off 1981 86 fits 1981-86

The Holley 9-378 2bbl GM PRO-VID System is a premium fuel injection solution designed specifically for 1981-1986 General Motors 2-barrel applications. This system is an upgrade from the original factory carburetor setup and provides improved idle quality, increased throttle response, and enhanced drivability.

The heart of this system is a 950 CFM Holley 4160 series vacuum secondary carburetor. It features a unique design with a high-performance bowl, large metering rods, and a fine-mesh carburetor screen for optimal fuel metering. The vacuum secondary system utilizes a mechanical secondaries setup, which is activated at wide-open throttle for maximum power output.

The Holley 9-378 kit also includes a PRO-VID electronic fuel pressure regulator, which ensures a consistent fuel pressure for optimal engine performance. The PRO-VID regulator features a built-in voltage regulator, making it simpler to install and eliminating the need for an external voltage regulator.

This kit is also equipped with a Holley 340-306 power valve kit. The power valve kit provides improved idle stability and better throttle response by controlling the fuel pressure during idle and cruising conditions.

The Holley 9-378 2bbl GM PRO-VID System includes all necessary hardware for installation, including fuel lines, fuel fittings, and an accelerator pump kit. The system is designed to work with the factory fuel tank and requires no modifications to the fuel system.

This kit is an excellent choice for enthusiasts seeking to upgrade their 1981-1986 General Motors 2-barrel applications with a high-performance fuel injection system. It offers improved idle quality, increased throttle response, and enhanced drivability, making it an excellent investment for those looking to take their vehicle's performance to the next level.

The Holley 9-378 2bbl carburetor is a popular choice among automotive enthusiasts for restoring or upgrading their 1981-1986 GM V6 engines. Below are some potential pros and cons to consider before making a purchase.

1. Improved Performance: Holley carburetors are known for their high-performance capabilities. The 9-378 2bbl model is no exception. It offers excellent fuel delivery and air flow, leading to improved engine performance.

2. Customization: Holley carburetors offer a wide range of customization options. With various base plates, intake manifolds, and accessories available, you can tailor the carburetor to your specific engine and performance goals.

3. Durability: Holley carburetors are made from high-quality materials and are designed to withstand the rigors of regular use. The 9-378 2bbl model features a heavy-duty cast aluminum construction, making it a reliable choice for your GM V6 engine.

4. Easy to Install: Installing a Holley carburetor is a relatively straightforward process for experienced DIYers. Holley provides detailed instructions and offers various kits to make the installation process easier.

1. Cost: Holley carburetors can be more expensive than other aftermarket options. The 9-378 2bbl model falls within the mid-range price point, but it may still be a significant investment for some.

2. Requires Tuning: A Holley carburetor may require some tuning to achieve optimal performance. This can involve adjusting the jetting, idle mixture, and other settings to suit your specific engine and driving conditions.

3. Fuel Economy: While Holley carburetors offer improved performance, they may not be as fuel-efficient as other options. This is a common trade-off when it comes to high-performance aftermarket parts.

The Holley 9-378 2bbl carburetor is a high-performance, durable, and customizable option for upgrading your 1981-1986 GM V6 engine. It offers improved fuel delivery and air flow, but it may require some tuning and comes with a higher cost than other aftermarket options. Ultimately, the decision to purchase a Holley carburetor depends on your performance goals, budget, and willingness to invest time in tuning.

If you're looking for a high-performance carburetor for your 1981-1986 GM V6 engine and are willing to invest the time and money in tuning, the Holley 9-378 2bbl model is a solid choice. However, if you're on a tight budget or prioritize fuel economy over performance, you may want to consider other aftermarket options.

part # 9378 prices

• $160.00-$179.99

specifications carbcaddie:

• for years: 1981-86
• brand: Holley
• type: Choke
• manufacturer warranty: 1 Month
• manufacturer part number: 9-378
• material: Steel
• vintage part: Yes
• universal fitment: No

shipping carbcaddie:

• service: UPS Ground
• carrier: UPS
• cost: $7.84
• type: Calculated
• transit: 3-6 Days
• class: Standard

returns carbcaddie:

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

general carbcaddie:

• condition: New other see details
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

payments carbcaddie:

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

seller carbcaddie:

• # reviews: 2823
• rating: 98.7%

offer carbcaddie:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: September 7, 2025
• availability: In Stock

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