HOLLEY LIST-6253 Carburetor

( Brand: Holley ), ( Manufacturer Part Number: LIST-6253 ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )

Review HOLLEY Mopar Carburetor For Parts List 6253 fits 440 1970–1972

The Holley 1970-1972 440 cid Carburetor, model number 6253, is a legendary performance part for Mopar muscle cars. This carburetor was specifically designed to deliver optimal fuel delivery for the powerful 440 cubic inch engines found in iconic muscle cars like the Dodge Charger and Plymouth Road Runner.

The Holley 6253 carburetor is a 2-barrel design, featuring two 750 CFM Holley cav-iped draft tubes. These draft tubes utilize a unique design that provides excellent vacuum secondaries for enhanced low-end torque and throttle response. The primary venturis measure 2.020 inches in diameter, while the secondary venturis are slightly larger at 2.200 inches, providing a generous fuel/air mixture for increased power.

The Holley 6253 carburetor is equipped with a vacuum secondary system, which is engaged through the use of a vacuum solenoid. This system ensures that the secondaries come on smoothly at around 60% throttle position, providing a noticeable improvement in power and performance. The carburetor also features a built-in fuel pressure regulator, maintaining a consistent fuel pressure of 6-8 psi for optimal performance.

The Holley 6253 carburetor is known for its durability and ease of tuning. It features a heavy-duty cast aluminum base and a billet aluminum top, ensuring that it can withstand the rigors of high-performance driving. The carburetor also comes with a full set of adjustment screws, making it easy for enthusiasts to fine-tune their engine's fuel delivery for optimal performance.

Additionally, the Holley 6253 carburetor comes with a number of other performance-enhancing features, including a high-performance fuel pump, a high-performance air cleaner base, and a venturi spacer for improved idle quality. The carburetor also includes Holley's famous "Easy-To-Tune" system, which makes it simple for even the most novice of tuners to achieve optimal engine performance.

In summary, the Holley 1970-1972 440 cid Carburetor, model number 6253, is a high-performance, durable, and easy-to-tune carburetor designed specifically for Mopar muscle cars with 440 cubic inch engines. It provides excellent vacuum secondaries for enhanced low-end torque and throttle response, and comes with a number of performance-enhancing features that make it an essential addition for any muscle car enthusiast.

The Holley 6253 carburetor is a popular choice for Mopar muscle cars with 440 cubic inch engines from the years 1970, 1971, and 1972. Here are some pros and cons to help you make an informed decision about purchasing this carburetor.

1. Authenticity: The Holley 6253 carburetor is an authentic reproduction of the original Mopar Quadrajet carburetor. This means it will give your car the classic look and performance of the original.

2. Improved Performance: The Holley 6253 carburetor offers improved performance over the original. It has larger jets and a more efficient fuel metering system, which can result in better fuel economy and increased horsepower.

3. Easy Installation: Holley carburetors are known for their easy installation process. The 6253 model comes with all the necessary hardware and instructions, making it a relatively simple process for most DIYers.

4. Durability: Holley carburetors are built to last. They are made with high-quality materials and manufacturing processes, which ensures that they can withstand the rigors of high-performance driving.

5. Flexibility: The Holley 6253 carburetor is compatible with various fuel systems, including EFI and carbureted applications. This makes it a versatile choice for muscle car enthusiasts.

1. Cost: The Holley 6253 carburetor is more expensive than the original Mopar Quadrajet carburetor. This may be a deterrent for some enthusiasts who are working on a budget.

2. Complexity: Compared to some other carburetors, the Holley 6253 can be more complex to tune. It requires a certain level of expertise to get the best possible performance out of the carburetor.

3. Availability of Parts: While Holley offers a wide range of parts and accessories for their carburetors, some enthusiasts may have difficulty finding specific parts for their particular application.

4. Weight: The Holley 6253 carburetor is heavier than the original Mopar Quadrajet carburetor. This may be a concern for those who are looking to reduce weight in their muscle car.

The Holley 6253 carburetor is a high-quality, authentic reproduction of the original Mopar Quadrajet carburetor. It offers improved performance, easy installation, durability, flexibility, and a classic look. However, it comes with a higher price tag, can be complex to tune, and may require the availability of specific parts. Ultimately, the decision to purchase the Holley 6253 carburetor depends on your budget, expertise, and priorities as a muscle car enthusiast.

If you are looking for a high-performance, authentic carburetor for your Mopar muscle car with a 440 cubic inch engine, the Holley 6253 carburetor is an excellent choice. It offers improved performance, ease of installation, durability, and flexibility. However, be prepared for a higher price tag and potential complexity in tuning the carburetor. If you are on a tight budget or prefer a simpler carburetor, you may want to consider other options.

Details:

The part number on the base plate is also 6253. This is an original, 1970-72 Mopar 440 Holley Carburetor List #6253, for Parts Only, It in good condition, everything moves freely.

part #: list6253 prices

• $69.00-$125.95

specifications carbcoon:

• for models: 440
• for makes: Mopar
• for years: 1970-1972
• brand: Holley
• mpn: List-6253
• type: Carburetor
• country/region of manufacture: United States
• vintage part: Yes

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

payments carbcoon:

• other
• credit card: Visa
• wallet: Apple-pay

seller carbcoon:

• city: Ocala, Florida
• # reviews: 1895
• rating: 100.0%

offer carbcoon:

• quantity: 1
• sold: 0
• started: September 3, 2025
• options: Ship-to-home
• availability: In Stock

returns carbcoon:

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

shipping carbcoon:

• cost: $20.00
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 5-12 Days
• type: Fixed

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