Holley EFI 3.5in LCD Touch Screen Controller 553-108 — Fits HP/Dominator

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SKU: GVMR_553-108
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About Holley EFI Holley EFI engineers high-quality automotive parts and ...Read More

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Sale price$367.95 Regular price$399.95
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Take Full Control with the Holley EFI 3.5" Touch Screen

The Holley EFI 3.5" LCD Touch Screen Controller (553-108) is the ultimate interface for your Holley HP or Dominator EFI system. This compact, high-resolution display puts total control over your engine's vitals and tuning parameters right at your fingertips, making it an essential tool for any serious performance driver.

Features and Capabilities

  • Intuitive Touch Interface: Easily navigate through menus to monitor engine data, adjust tunes, or clear diagnostic codes.
  • Universal Compatibility: Works seamlessly with both Holley HP and Dominator EFI systems.
  • Compact 3.5" Display: Perfectly sized for mounting in tight spaces without obstructing your view.
  • Real-Time Monitoring: Keep an eye on RPM, AFR, coolant temperature, oil pressure, and more in real-time.

Whether you are making quick adjustments at the track or monitoring your engine during a cruise, this touch screen controller provides the data you need when you need it. The bright, clear display is easy to read even in direct sunlight, and the user-friendly software ensures that you spend less time navigating menus and more time driving. With its robust build quality, it is designed to handle the vibrations and heat of a high-performance vehicle. Elevate your driving experience and gain better control over your engine management with this premium controller from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Take Full Control with the Holley EFI 3.5" Touch Screen

The Holley EFI 3.5" LCD Touch Screen Controller (553-108) is the ultimate interface for your Holley HP or Dominator EFI system. This compact, high-resolution display puts total control over your engine's vitals and tuning parameters right at your fingertips, making it an essential tool for any serious performance driver.

Features and Capabilities

  • Intuitive Touch Interface: Easily navigate through menus to monitor engine data, adjust tunes, or clear diagnostic codes.
  • Universal Compatibility: Works seamlessly with both Holley HP and Dominator EFI systems.
  • Compact 3.5" Display: Perfectly sized for mounting in tight spaces without obstructing your view.
  • Real-Time Monitoring: Keep an eye on RPM, AFR, coolant temperature, oil pressure, and more in real-time.

Whether you are making quick adjustments at the track or monitoring your engine during a cruise, this touch screen controller provides the data you need when you need it. The bright, clear display is easy to read even in direct sunlight, and the user-friendly software ensures that you spend less time navigating menus and more time driving. With its robust build quality, it is designed to handle the vibrations and heat of a high-performance vehicle. Elevate your driving experience and gain better control over your engine management with this premium controller from GGCRACING.

Product Details

Product Description

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Take Full Control with the Holley EFI 3.5" Touch Screen

The Holley EFI 3.5" LCD Touch Screen Controller (553-108) is the ultimate interface for your Holley HP or Dominator EFI system. This compact, high-resolution display puts total control over your engine's vitals and tuning parameters right at your fingertips, making it an essential tool for any serious performance driver.

Features and Capabilities

  • Intuitive Touch Interface: Easily navigate through menus to monitor engine data, adjust tunes, or clear diagnostic codes.
  • Universal Compatibility: Works seamlessly with both Holley HP and Dominator EFI systems.
  • Compact 3.5" Display: Perfectly sized for mounting in tight spaces without obstructing your view.
  • Real-Time Monitoring: Keep an eye on RPM, AFR, coolant temperature, oil pressure, and more in real-time.

Whether you are making quick adjustments at the track or monitoring your engine during a cruise, this touch screen controller provides the data you need when you need it. The bright, clear display is easy to read even in direct sunlight, and the user-friendly software ensures that you spend less time navigating menus and more time driving. With its robust build quality, it is designed to handle the vibrations and heat of a high-performance vehicle. Elevate your driving experience and gain better control over your engine management with this premium controller from GGCRACING.

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