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Holley Terminator X Stealth 4150 2X4 EFI Fuel Injection Systems

1.0 out of 5 stars 1 Customer Reviews

Holley Terminator X Stealth 4150 2x4 EFI systems feature eight 100 lb./hr. fuel injectors capable of supporting up to 1500 hp naturally aspirated or 1250 hp on forc
Holley Terminator X Stealth 4150 2x4 EFI systems feature eight 100 lb./hr. fuel injectors capable of supporting up to 1500 hp naturally aspirated or 1250 hp on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower. Features: * Bolt-on 2x4 4150 flange carburetor replacement * Internal 1bar MAP sensor, built into the Terminator X ECU External fuel pressure regulator required, set to a base pressure of 58.5 psi * Integrated ignition timing control * High-resolution, full colo
Holley Terminator X Stealth 4150 2x4 EFI systems feature eight 100 lb./hr. fuel injectors capable of supporting up to 1500 hp naturally aspirated or 1250 hp on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower. Features: * Bolt-on 2x4 4150 flange carburetor replacement * Internal 1bar MAP sensor, built into the Terminator X ECU External fuel pressure regulator required, set to a base pressure of 58.5 psi * Integrated ignition timing control * High-resolution, full color touch screen for initial setup, tuning, and gauge displays * Simple Calibration Wizard--answer a few questions about your engine, and it creates the base map, then starts tuning on its own without the use of a laptop * Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI * Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time Fuel Map Learn * OEM-style TPS/IAC and Fuel Pressure regulator, for years of dependable service * Weld-in oxygen sensor bung for the exhaust ensures a leak-free oxygen sensor install * Plug-and-play with Holley EFI accessories * Available in three finishes: Shiny, Black, and Gold

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Fuel Injection Systems, Terminator X, Stealth 4150, 2x4 EFI, Eight Injector, Dual Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit

Part Number: HLY-550-1074

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection Systems, Terminator X, Stealth 4150, 2x4 EFI, Eight Injector, Dual Throttle Body, Speed Density, Aluminum, Gold, Tunable, Kit

Part Number: HLY-550-1076

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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