Holley EFI Terminator X-Max Engine Management System — 58x LS Drive By Wire

SKU: GVMR_550-928
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About Holley EFI Holley EFI engineers high-quality automotive parts and ...Read More

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Sale price$2,099.95
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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.

Watch in action

Take Command with Terminator X-Max

The Holley EFI Terminator X-Max Engine Management System is the ultimate solution for controlling your 58x reluctor wheel GM LS engine. This comprehensive kit provides everything you need to manage fuel, spark, and transmission control in one powerful, user-friendly package. With integrated Drive-By-Wire (DBW) support and a vibrant 3.5-inch touchscreen, you have total control over your engine's performance at your fingertips.

Advanced Features for Maximum Power

  • Complete engine management for 58x GM LS-Series engines
  • Includes 3.5-inch handheld touchscreen for real-time tuning
  • Integrated transmission control for automatic gearboxes
  • Drive-By-Wire (DBW) throttle body support
  • Self-learning fuel strategies for quick and easy setup
  • Comprehensive wiring harness included for a complete install

Whether you are building a daily driver or a high-horsepower race car, the Terminator X-Max offers the flexibility and power to meet your goals. The system's self-learning capabilities ensure that your engine runs smoothly from the first start, while the advanced tuning software allows for deep customization as your build evolves. Experience the precision of modern EFI technology and unlock the true potential of your LS engine. With robust hardware and intuitive software, this system is designed to handle the demands of modern performance. Elevate your driving experience with the industry-leading engine management solutions available at 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.

Watch in action

Take Command with Terminator X-Max

The Holley EFI Terminator X-Max Engine Management System is the ultimate solution for controlling your 58x reluctor wheel GM LS engine. This comprehensive kit provides everything you need to manage fuel, spark, and transmission control in one powerful, user-friendly package. With integrated Drive-By-Wire (DBW) support and a vibrant 3.5-inch touchscreen, you have total control over your engine's performance at your fingertips.

Advanced Features for Maximum Power

  • Complete engine management for 58x GM LS-Series engines
  • Includes 3.5-inch handheld touchscreen for real-time tuning
  • Integrated transmission control for automatic gearboxes
  • Drive-By-Wire (DBW) throttle body support
  • Self-learning fuel strategies for quick and easy setup
  • Comprehensive wiring harness included for a complete install

Whether you are building a daily driver or a high-horsepower race car, the Terminator X-Max offers the flexibility and power to meet your goals. The system's self-learning capabilities ensure that your engine runs smoothly from the first start, while the advanced tuning software allows for deep customization as your build evolves. Experience the precision of modern EFI technology and unlock the true potential of your LS engine. With robust hardware and intuitive software, this system is designed to handle the demands of modern performance. Elevate your driving experience with the industry-leading engine management solutions available at 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.

Watch in action

Take Command with Terminator X-Max

The Holley EFI Terminator X-Max Engine Management System is the ultimate solution for controlling your 58x reluctor wheel GM LS engine. This comprehensive kit provides everything you need to manage fuel, spark, and transmission control in one powerful, user-friendly package. With integrated Drive-By-Wire (DBW) support and a vibrant 3.5-inch touchscreen, you have total control over your engine's performance at your fingertips.

Advanced Features for Maximum Power

  • Complete engine management for 58x GM LS-Series engines
  • Includes 3.5-inch handheld touchscreen for real-time tuning
  • Integrated transmission control for automatic gearboxes
  • Drive-By-Wire (DBW) throttle body support
  • Self-learning fuel strategies for quick and easy setup
  • Comprehensive wiring harness included for a complete install

Whether you are building a daily driver or a high-horsepower race car, the Terminator X-Max offers the flexibility and power to meet your goals. The system's self-learning capabilities ensure that your engine runs smoothly from the first start, while the advanced tuning software allows for deep customization as your build evolves. Experience the precision of modern EFI technology and unlock the true potential of your LS engine. With robust hardware and intuitive software, this system is designed to handle the demands of modern performance. Elevate your driving experience with the industry-leading engine management solutions available at GGCRACING.

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