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Holley EFI Terminator X Max Stealth 4150 System 550-1065

Holley EFI Terminator X Max Stealth 4150 System 550-1065
$4,066.99 ea
NEWBackordered until 09/28/2023
Model: 4016836
Supplier has not provided any fitment data for this product.
The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Terminator X ECU features fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide open throttle! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications? Terminator X Max kits provide plug and play Transmission control for GM 4L60 and 4L80 Transmissions.
  • Supports Up To 650HP With Four 100lb./hr. Injectors
  • Provide Plug And Play Transmission Control For GM Transmissions
  • All Of The Wiring Exits Below The Fuel Injector Bowls
  • Air Entry Machined To Fit Most Stock Style Air Cleaners
  • Fuel Pressure Regulator Set To A Base Pressure Of 58.5 PSI
  • Integrated Ignition Timing Control
  • Plug And Play With Factory LS Coil Sub Harness And OEM LS Coils
  • High Resolution Full Color Touchscreen For Setup/Tuning/Displays
  • Simple Calibration Wizard No Laptop Required
  • Included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor
Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!



Color Gold
Crank Reluctor 58x
Cylinder Head Type GM LS Series
Emission Code 3
Engine Make/Size Chevy LS Series
Fuel Rate 100 lbs./hr
Ignition Type GM LS 58x
Injector Size 100 lb/hr @ 58.5 PSI
Max Horsepower Rating 650 Naturally Aspirated
Part Type Fuel Injection System
Terminator LS Options Fuel, Spark, Transmission
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm


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Holley EFI Terminator X Max Stealth 4150 System 550-1065:
Chevelle Depot 2023