Holley EFI Terminator X Max MPFI System — Fits GM LS1, Drive-by-Wire, Transmission Control

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SKU: GVMR_550-934T

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Sale price$1,826.95 Regular price$2,149.95
18260 ENTRIES10X
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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.

Ultimate Control for Your GM LS1 with Terminator X Max

Unlock the full potential of your GM LS1 engine with the Holley EFI Terminator X Max MPFI System. This top-tier engine management solution goes beyond basic EFI, offering integrated Drive-by-Wire (DBW) throttle control and comprehensive transmission control, making it the ideal choice for modern LS swaps and high-performance builds. Designed for engines with a 24x reluctor wheel, it provides unparalleled functionality and ease of use.

Integrated Drive-by-Wire and Transmission Management

The Terminator X Max system delivers a complete, sophisticated control package. It includes the powerful Engine Control Module (ECM), a full wiring harness, and the capability to manage both your Drive-by-Wire throttle body and electronic transmissions directly. This eliminates the need for separate controllers, simplifying wiring and tuning while providing a seamless, factory-like driving experience. Enjoy precise throttle modulation and optimized shift strategies, all from a single, integrated system.

  • Engine Compatibility: GM LS1 Engines
  • Reluctor Wheel: 24x
  • System Type: Multi-Port Fuel Injection (MPFI)
  • Key Features: Drive-by-Wire (DBW) Control, Transmission Control, Self-tuning, Data Logging
  • Components: Engine Control Module (ECM), Wiring Harness
  • Application: Modern LS Swaps, Performance Builds, Custom Vehicles requiring integrated control

For those who demand the absolute best in engine and transmission management, the Holley EFI Terminator X Max is the definitive choice. Elevate your LS1 project to new heights with this advanced system, available at GGCRACING.COM.

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.

Ultimate Control for Your GM LS1 with Terminator X Max

Unlock the full potential of your GM LS1 engine with the Holley EFI Terminator X Max MPFI System. This top-tier engine management solution goes beyond basic EFI, offering integrated Drive-by-Wire (DBW) throttle control and comprehensive transmission control, making it the ideal choice for modern LS swaps and high-performance builds. Designed for engines with a 24x reluctor wheel, it provides unparalleled functionality and ease of use.

Integrated Drive-by-Wire and Transmission Management

The Terminator X Max system delivers a complete, sophisticated control package. It includes the powerful Engine Control Module (ECM), a full wiring harness, and the capability to manage both your Drive-by-Wire throttle body and electronic transmissions directly. This eliminates the need for separate controllers, simplifying wiring and tuning while providing a seamless, factory-like driving experience. Enjoy precise throttle modulation and optimized shift strategies, all from a single, integrated system.

  • Engine Compatibility: GM LS1 Engines
  • Reluctor Wheel: 24x
  • System Type: Multi-Port Fuel Injection (MPFI)
  • Key Features: Drive-by-Wire (DBW) Control, Transmission Control, Self-tuning, Data Logging
  • Components: Engine Control Module (ECM), Wiring Harness
  • Application: Modern LS Swaps, Performance Builds, Custom Vehicles requiring integrated control

For those who demand the absolute best in engine and transmission management, the Holley EFI Terminator X Max is the definitive choice. Elevate your LS1 project to new heights with this advanced system, available at GGCRACING.COM.

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