1. Carburetor Parts On Sale
  2. sku: 789647391692563
  3. HOLLEY 6488/6500

HOLLEY 6488-6500 Blocks 6488/6500 LIST-4781

List-4781 Holley 6488/6500 Metering Blocks For

( Brand: Holley ), ( Vintage Part: Yes ), ( Item Length: 4 In ), ( Country/region Of Manufacture: United States ), ( Material: Pot Metal ), ( Manufacturer Part Number: 6488/6500 ), ( Type: Metering Block )

Review HOLLEY 6488/6500 Metering Blocks fits 6500

The Holley 6488/6500 series carburetors are a high-performance carburetor solution designed for muscle cars and hot rods. These carburetors offer superior fuel delivery and meticulous air/fuel mixtures at all RPM ranges, making them an excellent choice for enthusiasts seeking optimal engine performance. configurations are ideal for applications such as 350 and 383 small-block Chevy engines, among others.

The Holley 6488/6500 carburetors feature a unique venturi design that provides a greater rate of fuel flow, leading to improved idle stability and drivability, even under varying load conditions. Their brass construction ensures durability, but the Holley team understands that no two engine setups are exactly alike, which is why they offer a variety of options specific to your application.

All 6488/6500 Series carburetors are double-pumper design, which allows for impressive vacuum secondary operation at high RPMs. The secondary throats open based on manifold vacuum, maximizing torque and, in turn, horsepower at mid-to-high RPMs. The carburetors' transformer-style air cleaners provide a large filtering surface area, ensuring clean air enters the engine for best performance and longevity.

Additional features include adjustable idle circuits for fine-tuning, mechanical fuel pump inlet and outlet ports, a provision for electric choke, and quick-change emitters for ease of tuning. The Holley 6488/6500 series carburetors come with a 1-year warranty and are lead free for added peace of mind. Whether you're cruising the strip or tackling the track, these carburetors are designed to help you unleash the true potential of your engine and enhance your driving experience.

The Holley 6488 and 6500 carburetors are popular choices for automotive enthusiasts looking to enhance the performance of their engines, especially for applications like Chevrolet small-block V8 engines with list-4781 (350 cu.in. to 396 cu.in.). Here are some pros and cons to consider before purchasing these carburetors.

Pros of Holley 6488/6500 carburetors:

1. High-Performance: Holley carburetors are known for their ability to deliver precise fuel mixtures, improving engine performance, power, and throttle response.

2. Versatility: These carburetors are suitable for a wide range of applications, including street, drag racing, and off-road use.

3. Wide Range of Applications: Holley 6488/6500 carburetors come in various versions to suit different engine configurations, such as four-barrel, six-barrel, and six-plus-two setups.

4. Adjustability: The carburetors offer easy-to-reach adjustments for critical performance parameters like fuel mixture and idle.

5. Durability: Holley's double-pumper design and high-quality components ensure the carburetors can handle the demands of high-performance applications.

Cons of Holley 6488/6500 carburetors:

1. Complexity: Holley carburetors require more effort to tune and maintain compared to single-barrel or stock carburetors, resulting in more time and expertise needed for setup and adjustment.

2. Fuel Economy: These high-performance carburetors may sacrifice fuel economy, especially when compared to more efficient modern fuel injection systems.

3. Cost: Holley carburetors tend to be more expensive than stock or replacement carburetors, requiring a larger financial investment upfront.

4. Requires Additional Accessories: To run a Holley carburetor, you may need to invest in additional accessories such as fuel pumps, distributors, and other related parts.

In conclusion, Holley 6488/6500 carburetors offer impressive performance gains and high-quality construction, appealing to enthusiasts looking to enhance their engine's power and drivability. However, the complexity, cost, and potential sacrifices in fuel economy may deter some from considering these carburetors. Ultimately, the decision to purchase a Holley 6488/6500 carburetor depends on your specific goals, budget, and level of expertise.

For those who desire optimal engine performance and are prepared to invest their time, resources, and knowledge into setting up and tuning a high-performance carburetor, a Holley 6488/6500 may be the best choice.

part # 64886500 prices

  • $40.00-$395.00

specifications carbcaddie:

  • brand: Holley
  • vintage part: Yes
  • item length: 4 In
  • country/region of manufacture: United States
  • material: Pot Metal
  • manufacturer part number: 6488/6500
  • type: Metering Block

payments carbcaddie:

  • other
  • wallet: Paypal
  • credit card: Diners-club

general carbcaddie:

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

shipping carbcaddie:

  • cost: $6.97
  • transit: 4-11 Days
  • class: Standard
  • type: Calculated
  • carrier: USPS
  • service: USPS Ground Advantage

returns carbcaddie:

  • policy: No Returns

offer carbcaddie:

  • availability: In Stock
  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: December 19, 2024

seller carbcaddie:

  • rating: 100.0%
  • # reviews: 503
vintage part: yes, item length: 4 in, country/region of manufacture: united states, type: metering block,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, material: pot metal, sku: 789647391692563,

Holley 6488-6500 Is Similar To:

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5 offers $40.00–$395.00 USD
  • Offer #1: $395.00 price + $30.61 delivery = $425.61* total.+$30.61 shipping
  • Offer #2: $225.00 price + $30.61 delivery = $255.61* total.+$30.61 shipping
  • Offer #3: $40.00 price + $8.00 delivery = $48.00* total. Offering a Used Holley 4150 4-Barrel 4788 Carburetor Primary Metering Block 830 CFM.+$8.00 shipping
  • Offer #4: $295.00 price + $16.69 delivery = $311.69* total. Clean originals are getting harder to find, and even cores like this don t last long. Up for grabs is a genuine Holley 4781 the legendary 850 CFM Double Pumper.+$16.69 shipping
  • Offer #5: $294.99 price + $22.98 delivery = $317.97* total. Sold as is This is a 4781 Holley marked that it is a 850.+$22.98 shipping