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  3. HOLLEY 553-112

HOLLEY 553-112 Pro Dash 6.86

fits model: Efi.

553-112 Holley Efi 6.86 Inch Pro Dash

( Brand: Holley ), ( Manufacturer Part Number: 553-112 ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( California Prop 65 Warning: Warning )

Review HOLLEY 6.86 Inch Pro Dash fits EFI

Holley 553-112 EFI 6.86 Pro Dash - A Comprehensive Digital Performance Dashboard for Enthusiasts

The Holley 553-112 EFI 6.86 Pro Dash is a cutting-edge digital performance dashboard, meticulously designed to cater to the needs of both amateur and professional automotive enthusiasts. This innovative product seamlessly integrates with your vehicle's EFI system, providing real-time, accurate, and easy-to-understand data for an unparalleled driving experience.

Crafted with a 6.86-inch high-resolution, full-color TFT display, the Holley 553-112 EFI Pro Dash ensures crisp, clear, and vivid visuals, even in direct sunlight. The user-friendly interface is customizable, allowing you to personalize the dashboard to suit your specific preferences and requirements.

The Holley 553-112 EFI 6.86 Pro Dash offers an extensive suite of features, including a wide array of sensor inputs for monitoring engine performance, fuel system management, and transmission control. It supports multiple fuel types, such as gasoline, methanol, and ethanol, making it a versatile solution for a wide range of vehicles.

Some of the key features include:

1. Real-time engine parameters: Monitor critical engine parameters such as RPM, boost pressure, intake air temperature, volts, water temperature, and more.

2. Fuel system management: Advanced fuel system management features allow for precise control over fuel delivery, enabling optimal engine performance.

3. Transmission control: For vehicles with automated manual transmissions, the Holley 553-112 EFI Pro Dash offers transmission control features for smooth and efficient shifting.

4. Data logging: The built-in data logging function allows you to record and analyze performance data, helping you identify trends, diagnose issues, and optimize your vehicle's performance.

5. Customizable alarms: Set custom alarms to warn you of potential issues, such as overheating or low fuel levels, ensuring peace of mind during your drives.

6. Bluetooth connectivity: The Holley 553-112 EFI Pro Dash features Bluetooth connectivity, allowing you to connect your smartphone and access additional features, such as GPS speed and mapping, via the Holley EFI Mobile app.

In conclusion, the Holley 553-112 EFI 6.86 Pro Dash is a comprehensive digital performance dashboard that offers an unmatched level of control, customization, and data analysis for your EFI-equipped vehicle. Whether you're a weekend warrior or a professional racer, this innovative product is an indispensable tool for optimizing your vehicle's performance and ensuring a safe and enjoyable driving experience.

Holley 553-112 EFI 6.86 Pro Dash: A Comprehensive Review

The Holley 553-112 EFI 6.86 Pro Dash is a high-performance electronic fuel injection (EFI) system designed for modern muscle cars. This system offers numerous advantages and some potential drawbacks that you should consider before making a purchase.

Pros:

1. Improved Fuel Efficiency: The EFI system offers better fuel economy compared to carburetors, as it only delivers the exact amount of fuel required, reducing waste.

2. Enhanced Performance: EFI systems provide smoother throttle response, faster ignition, and more precise fuel delivery, leading to increased power and torque.

3. Advanced Monitoring: The 6.86 Pro Dash includes a multi-gauge display that provides real-time data on engine performance, including RPM, fuel pressure, air/fuel ratio, and more.

4. Easy Installation: Holley offers detailed instructions and technical support to facilitate the installation process, making it easier for enthusiasts to install the system on their own.

5. Adjustability: The system is highly customizable, allowing users to fine-tune parameters like fuel pressure, timing, and idle speed for optimal performance.

Cons:

1. Higher Cost: EFI systems, especially high-performance ones like the Holley 553-112, are generally more expensive than traditional carburetors.

2. Complexity: EFI systems require a more intricate understanding of engine management and may be overwhelming for beginners.

3. Potential Compatibility Issues: Ensuring the EFI system is compatible with your specific vehicle model and engine configuration is crucial for proper operation.

4. Required Maintenance: EFI systems may require regular maintenance and calibration to maintain optimal performance, which can be time-consuming and potentially costly.

Conclusion:

The Holley 553-112 EFI 6.86 Pro Dash is an excellent choice for enthusiasts seeking improved performance, fuel efficiency, and advanced monitoring capabilities for their modern muscle car. However, it's essential to consider the higher cost, complexity, and potential compatibility issues before making a purchase. If you're willing to invest the time and money into learning and maintaining an EFI system, the Holley 553-112 could be an excellent upgrade for your vehicle.

Recommendation:

For those new to EFI systems, it may be beneficial to start with a simpler, less expensive option and gradually work your way up to more advanced systems like the Holley 553-112. If you're already familiar with EFI systems and are looking for a high-performance upgrade for your modern muscle car, the Holley 553-112 EFI 6.86 Pro Dash is an excellent choice. As always, ensure you have the necessary tools, knowledge, and support to successfully install and maintain the system.

Details:

This product is specifically designed to enhance the performance of vehicles and a valuable addition any automotive enthusiasts collection. The Holley EFI 6.86 Pro Dash 553-112 is a high-performance part manufactured by in the USA. Opened but never used, still has the screen protector film on it.

part #: 553112 prices

  • $949.00-$1299.95

specifications accperformanc:

  • for models: Efi
  • brand: Holley
  • mpn: 553-112
  • country/region of manufacture: United States
  • performance part: Yes
  • california prop 65 warning: Warning

general accperformanc:

  • condition: New other see details
  • Parts Accessories > Permance Racing Parts > Accessories

seller accperformanc:

  • # reviews: 192
  • city: Bolivar, Missouri
  • rating: 100.0%

payments accperformanc:

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

offer accperformanc:

  • started: August 29, 2025
  • quantity: 1
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

shipping accperformanc:

  • type: Calculated
  • transit: 6-13 Days
  • class: Expedited
  • cost: $17.50
  • carrier: USPS
  • service: USPS Priority Mail Medium Flat Rate Box

returns accperformanc:

  • policy: No Returns
for models: efi, country/region of manufacture: united states, performance part: yes, california prop 65 warning: warning,
category: auto parts > racing parts > accessories, sku: 15803742654274603,
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5 offers $949.00–$1299.95 USD
  • New other (see details). Offer #1 priced at $949.00 + $0.00 shipping estimate = $949.00* total. Missing 4 screws and a silver part, I have these circled in the second picture. Holley EFI 6.86 in.FREE SHIPPING
  • New. Offer #2 priced at $1299.95 + $0.00 shipping estimate = $1299.95* total. It features a 6.86" 1280x480 resolution low glare, high brightness, high contrast, full-color capacitive touch screen for easy viewing even in the sun and a plug and play connection to all Holley EFI systems, as well as a weatherproof aluminum housing featuring flexible mounting options. Monitor the power of your Holley EFI system at a glance.FREE SHIPPING
  • New. Offer #3 priced at $1299.95 + $0.00 shipping estimate = $1299.95* total. FREE SHIPPING
  • New. Offer #4 priced at $1299.95 + $0.00 shipping estimate = $1299.95* total. FREE SHIPPING
  • New. Offer #5 priced at $1240.95 + $0.00 shipping estimate = $1240.95* total. Both feature high-resolution, high-brightness, full-color capacitive touch screens for easy viewing even in bright sunlight. Trust is paramount in motorsports, where every component plays a crucial role in performance and safety.FREE SHIPPING

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