1. Fuel Injection Parts Deals
  2. sku: 8982241281368611
  3. SPEED FX 575114

SPEED FX 575114 Dual Inlet Holley R/b 4500

575114 Speed Fx 8 An R/b Dual Inlet Holley 4500

( Brand: Speed Fx ), ( Manufacturer Part Number: 575114 ), ( Item Height: 1.500 ), ( Item Length: 15.000 ), ( Item Weight: 0.6000 ), ( Item Width: 6.000 )

Review SPEED FX R/b Dual Inlet Holley 4500

The Holley 575114 FX Dual-Inlet 4500 Series Carburetor is a high-performance fuel delivery solution designed for racing applications. This carburetor features a unique R/B intake design, making it an excellent choice for engine configurations with dual-plane intake manifolds.

The 4500 Series carburetor is known for its large 4500 CFM venturi size, which ensures ample fuel delivery for high-horsepower engines. The R/B intake design features removable intake manifolds, allowing for easy intake manifold changes and adaptability to various engine configurations.

The Holley 575114 FX Dual-Inlet Carburetor is equipped with a number of advanced features for optimal engine performance. It includes a vacuum secondary system, which provides additional fuel during vacuum conditions for improved idle quality and throttle response. The carburetor also features an adjustable accelerator pump, allowing for fine-tuning of the fuel delivery system for different engine configurations and driving conditions.

This Holley carburetor is constructed from high-quality materials, including a billet aluminum body and stainless steel components, ensuring durability and reliability under the most demanding racing conditions. It also includes a built-in fuel pressure regulator, eliminating the need for an external regulator and simplifying the fuel system setup.

The Holley 575114 FX Dual-Inlet 4500 Series Carburetor comes with a comprehensive kit, including all necessary hardware, gaskets, and instructions for a straightforward installation process. Its large 750 CFM fuel bowls provide ample fuel capacity, reducing the need for frequent refueling during racing events.

In summary, the Holley 575114 FX Dual-Inlet 4500 Series Carburetor is a high-performance, durable, and versatile fuel delivery solution for racing applications. Its unique R/B intake design, large venturi size, and advanced features make it an excellent choice for high-horsepower engines, while its comprehensive kit and straightforward installation process make it a favorite among racers and performance enthusiasts.

The Holley 4500 Series FX Dominator Fuel Injection System, model number FX-575-114-RC, is a high-performance fuel injection system designed for racing applications. This system is available in red and black (R/B) dual inlet configuration. Here are some potential pros and cons of purchasing this fuel injection system:

Pros:

1. High Flow Rates: The Holley 4500 Series FX Dominator Fuel Injection System is capable of delivering high flow rates, making it suitable for high-performance and racing applications.

2. Flex Fuel Compatibility: This fuel injection system is compatible with both gasoline and ethanol fuel blends, making it a popular choice among racers.

3. Advanced Features: The FX Dominator Fuel Injection System comes with advanced features such as built-in fuel pressure regulator, adjustable fuel pressure, and multiple base map options.

4. Easy Installation: The Holley FX Dominator Fuel Injection System is known for its easy installation process, making it a popular choice among DIY enthusiasts and professional installers.

5. Durable Design: The fuel injection system is built with high-quality materials and is designed to withstand the rigors of racing applications.

Cons:

1. Expensive: The Holley 4500 Series FX Dominator Fuel Injection System is a high-performance fuel injection system and comes with a premium price tag.

2. Complex Setup: While the installation process is relatively straightforward, setting up the fuel injection system can be complex and requires a good understanding of fuel injection systems and tuning.

3. Requires Tuning: To get the best performance out of the fuel injection system, it requires extensive tuning, which can be time-consuming and expensive.

4. Limited Compatibility: The Holley 4500 Series FX Dominator Fuel Injection System is not compatible with all vehicles and engine configurations, so it's essential to check compatibility before purchasing.

Conclusion:

The Holley 4500 Series FX Dominator Fuel Injection System, model number FX-575-114-RC, is a high-performance fuel injection system designed for racing applications. It offers advanced features, easy installation, and high flow rates, making it a popular choice among racers. However, it comes with a premium price tag, complex setup, and requires extensive tuning. Overall, if you're looking for a high-performance fuel injection system for your racing application, the Holley 4500 Series FX Dominator Fuel Injection System is worth considering.

Recommendation:

If you're in the market for a high-performance fuel injection system for your racing application, the Holley 4500 Series FX Dominator Fuel Injection System is a great option to consider. However, it's essential to understand that it comes with a premium price tag, complex setup, and requires extensive tuning. Before making a purchase, make sure to check compatibility with your vehicle and engine configuration to ensure a smooth installation process. Additionally, consider seeking the help of a professional tuner to get the best performance out of the fuel injection system.

part # 575114 prices

  • $54.63-$80.12

specifications injectiopug:

  • brand: Speed Fx
  • manufacturer part number: 575114
  • item height: 1.500
  • item length: 15.000
  • item weight: 0.6000
  • item width: 6.000

general injectiopug:

  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
  • condition: New

offer injectiopug:

  • started: November 5, 2025
  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • quantity: 5
  • availability: In Stock

seller injectiopug:

  • rating: 98.6%
  • # reviews: 57528

returns injectiopug:

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

payments injectiopug:

  • other
  • wallet: Paypal
  • credit card: Visa

shipping injectiopug:

  • transit: 2-7 Days
  • class: Standard
  • type: Fixed
  • service: Standard
  • cost: $0.00
item height: 1.500, item length: 15.000, item weight: 0.6000, item width: 6.000,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 8982241281368611,
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5 offers $54.63–$80.12 USD
  • Offer #1: $54.63 price + $21.82 delivery = $76.45* total. Offering a win-win combination of the finest materials, precision engineering and innovation, this performance fuel system part delivers hardcore strength, long-term dependability, and outstanding operation. Dual Inlet Carburetor Fuel Line by Speed FX.+$21.82 shipping
  • Offer #2: $80.12 price + free delivery = $80.12* total. Manufacturer :Speed FX.FREE SHIPPING
  • Offer #3: $77.66 price + $11.14 delivery = $88.80* total.+$11.14 shipping
  • Offer #4: $60.30 price + free delivery = $60.30* total. The compatibility section is not always 100% accurate. Part Number B.FREE SHIPPING
  • Offer #5: $98.00 price + free delivery = $98.00* total.FREE SHIPPING