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1970-1988 Monte Carlo Holley EFI Terminator X Max Stealth 4150 - 4 Injectors - Black 550-1012
Ground Up Part #: HOL-550-1012
Manufacturer Part #: 550-1012
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Part Details
Vehicle Fitment
Reviews
The Holley EFI 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 Holley EFI Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications? Holley EFI Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012, 550-1013)
Features:
- Bolt on 4150 Flange Carburetor Replacement
- Supports up to 650HP with Four 100lb/hr Injectors
- Holley EFI Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012,550-1013) Part # 34-42 is required for a bolt-on installation.
- Internal 1bar MAP sensor, built into the Holley EFI Terminator X ECU.
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation
- Timed spark port for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
- Integrated ignition timing control improves idle stability, fuel economy, and wide open throttle performance
- High Resolution Full Color Touchscreen 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!) - NO laptop required
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn
- OEM Style TPS/IAC for years of dependable service
- Available in 3 finishes: Shiny, Black, and Gold
Manufacturer Part Number : 550-1012
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Emissions
3
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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
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
Brand
Additional Information
- SS396.com Part #: HOL-550-1012
- Brand: Holley EFI
- Manufacturer Part #: 550-1012
- Sold As: Kits
- Shipping Details: This item ships Ground.
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Vehicle Fitment
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April 6, 2025 by Paul F. (MA, US)
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