Holley EFI Terminator X MPFI Kit GM LS 24x Reluctor — With 3.5in Touchscreen

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SKU: GVMR_550-903
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Sale price$1,348.95 Regular price$1,499.95
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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

Master Your GM LS Engine with the Holley EFI Terminator X MPFI System

Take complete control of your GM LS engine's performance with the Holley EFI Terminator X MPFI Kit. This versatile engine management system is engineered for LS engines utilizing a 24x reluctor wheel, offering a powerful combination of advanced control and user-friendly operation. Featuring an integrated 3.5-inch full-color touchscreen, this kit simplifies tuning and monitoring, making it an excellent choice for both experienced tuners and those new to EFI.

Intuitive Control and Comprehensive Features

The Terminator X system provides a complete solution for modernizing your LS engine's fuel injection. At its heart is a sophisticated Engine Control Module (ECM) that delivers precise command over fuel delivery, ignition timing, and various engine parameters. The standout 3.5-inch touchscreen display allows for effortless setup, real-time data logging, and on-the-fly adjustments, eliminating the need for a laptop for many common tasks. This intuitive interface empowers you to fine-tune your engine for maximum power and efficiency.

  • Versatile GM LS Compatibility: Designed for 24x reluctor wheel applications.
  • Integrated 3.5-inch Touchscreen: User-friendly interface for setup, tuning, and monitoring.
  • High-Quality Wiring Harness: Ensures a straightforward and reliable installation.
  • Self-Learning Fuel Strategy: Continuously optimizes fuel and spark for peak performance.
  • Advanced Tuning Capabilities: Boost control, nitrous control, and built-in data logging.

Unleash Your LS Engine's Full Potential

The Holley EFI Terminator X MPFI Kit is the ultimate upgrade for any GM LS engine owner looking for superior performance and ease of use. Experience dramatic improvements in throttle response, horsepower, and torque, along with smoother idle and enhanced drivability. Its robust construction and intelligent design ensure long-term reliability and consistent performance, making it a valuable investment for your high-performance vehicle. Discover the difference with GGCRACING's selection of premium EFI systems.

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

Master Your GM LS Engine with the Holley EFI Terminator X MPFI System

Take complete control of your GM LS engine's performance with the Holley EFI Terminator X MPFI Kit. This versatile engine management system is engineered for LS engines utilizing a 24x reluctor wheel, offering a powerful combination of advanced control and user-friendly operation. Featuring an integrated 3.5-inch full-color touchscreen, this kit simplifies tuning and monitoring, making it an excellent choice for both experienced tuners and those new to EFI.

Intuitive Control and Comprehensive Features

The Terminator X system provides a complete solution for modernizing your LS engine's fuel injection. At its heart is a sophisticated Engine Control Module (ECM) that delivers precise command over fuel delivery, ignition timing, and various engine parameters. The standout 3.5-inch touchscreen display allows for effortless setup, real-time data logging, and on-the-fly adjustments, eliminating the need for a laptop for many common tasks. This intuitive interface empowers you to fine-tune your engine for maximum power and efficiency.

  • Versatile GM LS Compatibility: Designed for 24x reluctor wheel applications.
  • Integrated 3.5-inch Touchscreen: User-friendly interface for setup, tuning, and monitoring.
  • High-Quality Wiring Harness: Ensures a straightforward and reliable installation.
  • Self-Learning Fuel Strategy: Continuously optimizes fuel and spark for peak performance.
  • Advanced Tuning Capabilities: Boost control, nitrous control, and built-in data logging.

Unleash Your LS Engine's Full Potential

The Holley EFI Terminator X MPFI Kit is the ultimate upgrade for any GM LS engine owner looking for superior performance and ease of use. Experience dramatic improvements in throttle response, horsepower, and torque, along with smoother idle and enhanced drivability. Its robust construction and intelligent design ensure long-term reliability and consistent performance, making it a valuable investment for your high-performance vehicle. Discover the difference with GGCRACING's selection of premium EFI systems.

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

Master Your GM LS Engine with the Holley EFI Terminator X MPFI System

Take complete control of your GM LS engine's performance with the Holley EFI Terminator X MPFI Kit. This versatile engine management system is engineered for LS engines utilizing a 24x reluctor wheel, offering a powerful combination of advanced control and user-friendly operation. Featuring an integrated 3.5-inch full-color touchscreen, this kit simplifies tuning and monitoring, making it an excellent choice for both experienced tuners and those new to EFI.

Intuitive Control and Comprehensive Features

The Terminator X system provides a complete solution for modernizing your LS engine's fuel injection. At its heart is a sophisticated Engine Control Module (ECM) that delivers precise command over fuel delivery, ignition timing, and various engine parameters. The standout 3.5-inch touchscreen display allows for effortless setup, real-time data logging, and on-the-fly adjustments, eliminating the need for a laptop for many common tasks. This intuitive interface empowers you to fine-tune your engine for maximum power and efficiency.

  • Versatile GM LS Compatibility: Designed for 24x reluctor wheel applications.
  • Integrated 3.5-inch Touchscreen: User-friendly interface for setup, tuning, and monitoring.
  • High-Quality Wiring Harness: Ensures a straightforward and reliable installation.
  • Self-Learning Fuel Strategy: Continuously optimizes fuel and spark for peak performance.
  • Advanced Tuning Capabilities: Boost control, nitrous control, and built-in data logging.

Unleash Your LS Engine's Full Potential

The Holley EFI Terminator X MPFI Kit is the ultimate upgrade for any GM LS engine owner looking for superior performance and ease of use. Experience dramatic improvements in throttle response, horsepower, and torque, along with smoother idle and enhanced drivability. Its robust construction and intelligent design ensure long-term reliability and consistent performance, making it a valuable investment for your high-performance vehicle. Discover the difference with GGCRACING's selection of premium EFI systems.

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