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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 of your GM LS-series engine with the Holley EFI Terminator X MPFI Standalone ECU system. Designed specifically for LS1 and LS6 engines equipped with a 24x reluctor wheel, this kit replaces your factory computer to provide advanced tuning capabilities, improved throttle response, and reliable performance in any driving condition.
The Terminator X system is the ultimate solution for enthusiasts looking to modernize their LS build. Whether you are running a stock engine or a modified setup, this ECU provides the flexibility to grow with your project. Its intuitive software interface makes it easy to dial in your air-fuel ratios and ignition timing for maximum horsepower and torque. Experience the precision engineering of Holley EFI components today at GGCRACING.
| Brand | Holley EFI |
|---|---|
| GGC SKU | GVMR_550-903T |
| UPC / GTIN | 090127074466 |
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