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  3. HOLLEY L4150-950B

HOLLEY L4150-950B Cfm Ultra Carburetor 067

fits model: Xp.

L4150-950b Holley 067 950 Cfm Ultra Xp Carburetor

( Brand: Holley ), ( Manufacturer Part Number: L4150-950B ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Items Included: Gasket, Mounting Hardware, O-rings, Float Bowl Screws ), ( Material: Aluminum ), ( Performance Part: Yes )

Review HOLLEY 067 950 Cfm Ultra Carburetor fits XP

The Holley L4150-950B 067 950 CFM Ultra HP Carburetor is a high-performance fuel delivery system designed for serious hot rodders and race enthusiasts. This carburetor is part of Holley's Ultra series, which offers advanced features and unparalleled performance.

The L4150-950B carburetor boasts a generous 950 CFM airflow capacity, making it suitable for large displacement engines or high-performance applications. It is equipped with Holley's Ultra HP 1150 Dominator intake manifold, which provides excellent throttle response and fuel distribution.

This carburetor features Holley's Ultra II bowl, which is designed to provide a larger fuel reservoir and improved fuel level sensor. It also comes with a removable inner bowl, making it easier to clean and maintain. The Ultra II bowl is also compatible with Holley's electric choke system, making cold starts a thing of the past.

The L4150-950B carburetor utilizes Holley's electronic fuel pressure regulator (EFPR), which provides precise fuel pressure control and eliminates the need for a mechanical fuel pressure regulator. It also comes with a built-in fuel pressure gauge, allowing you to easily monitor fuel pressure right at the carburetor.

This carburetor is also equipped with Holley's electric choke system, which provides quick and reliable engine starting in all conditions. It features a user-adjustable choke curve, allowing you to customize the choke response to your specific engine and driving conditions.

The L4150-950B carburetor is constructed from high-quality materials and is built to withstand the rigors of high-performance applications. It comes with a billet aluminum base plate, which not only looks great but also provides excellent heat dissipation. It also features stainless steel fuel lines and mounting hardware, ensuring long-lasting durability.

The Holley L4150-950B 067 950 CFM Ultra HP Carburetor is a high-performance fuel delivery system that offers advanced features, precision fuel control, and unmatched power delivery. It is a must-have for any serious hot rodder or race enthusiast looking to take their engine to the next level.

The Holley L4150-950B 067 950 CFM Ultra LP Carburetor is a high-performance carburetor that is widely used in hot rods and custom applications. Here are some pros and cons that may help you make an informed decision about purchasing this carburetor:

Pros:

1. High Flow Rate: This carburetor offers a high flow rate of 950 CFM, making it suitable for high-performance engines.

2. Ultra LP Technology: The Ultra LP technology in this carburetor helps to maintain a consistent fuel mixture under various engine conditions.

3. Easy-to-Tune: Holley carburetors are known for their ease of tuning. This carburetor comes with a simple, yet effective tuning system.

4. Durable Construction: The carburetor is made of high-quality materials, including a billet aluminum body and stainless steel components, ensuring durability and longevity.

5. Wide Compatibility: This carburetor is compatible with a wide range of applications, including small-block Chevy, Ford, and Chrysler engines.

Cons:

1. Price: The Holley L4150-950B 067 is a high-performance carburetor and comes with a premium price tag.

2. Complex Installation: Installing this carburetor may require some expertise and experience, especially if you are not familiar with Holley carburetors or high-performance applications.

3. Requires Proper Tuning: Proper tuning is essential to ensure optimal performance and fuel efficiency. If not tuned correctly, the carburetor may not deliver the desired results.

Conclusion:

The Holley L4150-950B 067 950 CFM Ultra LP Carburetor is a high-performance carburetor that offers numerous advantages, including a high flow rate, Ultra LP technology, ease of tuning, and durable construction. However, it comes with a premium price tag and requires proper installation and tuning. If you are looking for a high-performance carburetor for your hot rod or custom application and are willing to invest the time and resources into proper installation and tuning, then this carburetor may be an excellent choice for you.

Recommendation:

If you are considering purchasing the Holley L4150-950B 067 950 CFM Ultra LP Carburetor, I would recommend doing some thorough research on the installation and tuning process to ensure that you are prepared for the challenge. Additionally, consider consulting with a professional mechanic or carburetor specialist to ensure that the carburetor is installed and tuned correctly to achieve optimal performance and fuel efficiency.

Details:

Only taken out of the box and examined. Selling for less than half of the original price. No fuel has been run through it. Once again being sold AS IS.

New but came damaged. This item is damaged and being listed as such. Broken tab where float bowl vent tube sits. If you're good at fixing things you can save hundreds of dollars.

Has gaskets, O rings, etc. Could probably be fixed with a little JB Weld. 4150 950 cfm ultra Xp mechanical secondaries performance carburetor. Black finish, aluminum body, universal square bore.

part #: l4150950b price

  • $699.00

specifications carbcoon:

  • for models: Xp
  • brand: Holley
  • mpn: L4150-950b
  • choke type: Mechanical
  • type: Carburetor
  • mounting flange type: Square Bore
  • items included: Gasket, Mounting Hardware, O-rings, Float Bowl Screws
  • material: Aluminum
  • performance part: Yes

general carbcoon:

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

payments carbcoon:

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

returns carbcoon:

  • policy: No Returns

offer carbcoon:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: May 16, 2026
  • best offers: True

seller carbcoon:

  • rating: 100.0%
  • city: Cambridge, Ohio
  • # reviews: 790

shipping carbcoon:

  • class: Standard
  • transit: 5-12 Days
  • cost: $20.00
  • carrier: USPS
  • type: Fixed
  • service: USPS Ground Advantage
for models: xp, choke type: mechanical, type: carburetor, mounting flange type: square bore, items included: gasket, mounting hardware, o-rings, float bowl screws, performance part: yes,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, material: aluminum, sku: 11276784488931871,

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1 offer $699.00 USD
  • Offer #1: $699.00 price + $20.00 shipping estimate = $719.00* total. addresses only. 4150 950cfm ultra xp mechanical secondaries performance carburetor.+$20.00 shipping

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