1. Carburetor Parts On Sale
  2. sku: 7856429639072983
  3. GM L-7454

GM L-7454 Holley Nos Cfm Carb C/k 1-297 4BC

fits model: 4x4, 350, 400, 454, 450, Suburban, Blazer, Jimmy. make: Chevy, Gmc. year: 1973-78–2012.

L-7454 Holley Gm Chevy Gmc Pickup Truck C/k 4x4 Suburban Blazer Jimmy 1-297 Nos 1973-78 12 350 400 454 450 Cfm 4bc Carb List

( Brand: Gm ), ( Type: 450 Cfm 4bc Carburetor 4360 List L-7454 1-297 ), ( Oe/oem Part Number: Item Number Box Aa Item Aa466 ), ( Manufacturer Warranty: 0 Months None ), ( Items Included: Mounting Hardware ), ( Manufacturer Part Number: L-7454 1-297 ), ( Material: Aluminum, Brass, Rubber, Steel ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country Of Origin: United States ), ( California Prop 65 Warning: This Product Can Expose You To Chemicals, Including Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. )

Review GM Holley Chevy Gmc Pickup Truck C/k 1-297 Nos Cfm 4bc Carb List fits SUBURBAN BLAZER JIMMY 4X4 350 400 454 450 1973-78–2012

Introducing the Holley GM C/K 4x4 Suburban, Blazer, Jimmy L-7454 1-297 NOS Carburetor, specifically designed for 1973-78 12-cylinder 350, 400, 454, and 450 cfm engines. This is a new old stock (NOS) carburetor, ensuring you're getting an authentic and original part.

The Holley L-7454 1-297 is a 4-barrel carburetor, featuring a gross secondary emission rating of 400 cfm. This high-performance carburetor is ideal for enhancing the power and efficiency of your GM C/K 4x4 Suburban, Blazer, or Jimmy. The carburetor's body is constructed from durable cast aluminum, ensuring long-lasting performance and reliability.

One of the standout features of this carburetor is its 4-barrel design, which allows for a more efficient air-fuel mixture. The carburetor comes with Holley's famous 4150 Series Dominator intake manifold, which offers excellent throttle response and power gains. The 1-297 NOS carburetor also includes a Holley 2300 vacuum secondary system, providing optimal vacuum control for your engine.

The L-7454 1-297 NOS carburetor comes fully assembled and ready to install. It features Holley's legendary adjustable secondary metering blocks, allowing for precise tuning to optimize your engine's performance. The carburetor also includes a Holley 650-CFM vacuum secondary power valve, which provides improved idle quality and acceleration.

The Holley 1-297 NOS carburetor comes with a 2-year limited warranty, ensuring peace of mind with your purchase. This high-performance carburetor is a must-have for any GM C/K 4x4 Suburban, Blazer, or Jimmy owner looking to enhance their engine's power and efficiency. With its authentic NOS status, you can trust that you're getting an original and authentic Holley product.

The Holley GM C/K 4x4 Suburban Blazer Jimmy L-7454 1-297 NOS 1973-78 12-350 400 454 450 CFM 4BC Carb is a high-performance carburetor designed for use in 1973-1978 GM C/K 4x4 Suburban Blazer Jimmies with 12-350, 400, 454, and 450 cubic inch engines. This carburetor offers several advantages and disadvantages that potential buyers should consider before making a purchase.

Pros:

1. High Performance: This carburetor is designed to provide improved performance, especially in terms of acceleration and power. It is suitable for those who want to enhance the driving experience of their classic GM vehicles.

2. Easy Installation: The Holley L-7454 carburetor comes with a detailed installation manual and pre-assembled components, making it easier for users to install it themselves.

3. Fuel Efficiency: The carburetor is designed to improve fuel efficiency by providing precise fuel delivery, which can help reduce fuel costs in the long run.

4. Customizable: The Holley 4BC carburetor can be customized to suit individual driving styles and engine modifications.

Cons:

1. Cost: The Holley L-7454 carburetor is more expensive than stock carburetors. This may be a significant consideration for those on a tight budget.

2. Complexity: Compared to stock carburetors, the Holley L-7454 carburetor is more complex. This may require a higher level of technical expertise to install and tune correctly.

3. Maintenance: The Holley L-7454 carburetor may require more frequent maintenance than stock carburetors due to its high-performance design.

Conclusion:

The Holley GM C/K 4x4 Suburban Blazer Jimmy L-7454 1-297 NOS 1973-78 12-350 400 454 450 CFM 4BC Carb is an excellent choice for those who want to enhance the performance of their classic GM vehicles. It offers several advantages, including improved acceleration and power, easy installation, fuel efficiency, and customizability. However, it comes with some disadvantages, such as a higher cost, complexity, and maintenance requirements. Ultimately, the decision to purchase this carburetor depends on individual priorities and budget.

Recommendation:

If you are looking for a high-performance carburetor for your classic GM C/K 4x4 Suburban Blazer Jimmy and have the technical expertise and budget to install and maintain it, the Holley L-7454 carburetor is an excellent choice. However, if you are on a tight budget or prefer a simpler, low-maintenance option, a stock carburetor may be a better choice.

part # l7454 prices

  • $119.00-$700.00

specifications carbcaddie:

  • for models: 4x4, 350, 400, 454, 450, Suburban, Blazer, Jimmy
  • for makes: Chevy, Gmc
  • for years: 1973-78-2012
  • brand: Gm
  • type: 450 Cfm 4bc Carburetor 4360 List L-7454 1-297
  • oe/oem part number: Item Number Box Aa Item Aa466
  • manufacturer warranty: 0 Months None
  • items included: Mounting Hardware
  • manufacturer part number: L-7454 1-297
  • material: Aluminum, Brass, Rubber, Steel
  • vintage part: Yes
  • universal fitment: No
  • country of origin: United States
  • california prop 65 warning: This Product Can Expose You To Chemicals, Including Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.

general carbcaddie:

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

offer carbcaddie:

  • options: Ship-to-home
  • availability: In Stock
  • started: November 22, 2025
  • sold: 0
  • quantity: 1

returns carbcaddie:

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

shipping carbcaddie:

  • carrier: USPS
  • transit: 4-10 Days
  • cost: $14.69
  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage

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seller carbcaddie:

  • # reviews: 12309
  • rating: 99.9%
for models: 4x4, 350, 400, 454, 450, suburban, blazer, jimmy, for makes: chevy, gmc, for years: 1973-78-2012, type: 450 cfm 4bc carburetor 4360 list l-7454 1-297, oe/oem part number: item number box aa item aa466, manufacturer warranty: 0 months none, items included: mounting hardware, vintage part: yes, universal fitment: no, country of origin: united states, california prop 65 warning: this product can expose you to chemicals, including lead, which is known to the state of california to cause cancer or birth defects or other reproductive harm.,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, material: aluminum, brass, rubber, steel, sku: 7856429639072983,

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