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1978-1987 Grand Prix Holley EFI Terminator X Max Stealth 4150 - Ls 24X - Black 550-1029

Ground Up Part #: HOL-550-1029

Manufacturer Part #: 550-1029

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$3,182.99 (Kits)
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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 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? Holley EFI Terminator X Max kits provide plug and play Transmission control for GM 4L60 and 4L80 Transmissions.

Features:

  • Holley EFI Terminator X Stealth 4150 Kits for either 24x or 58x LS engines
  • Supports up to 650HP with Four 100lb./hr. Injectors
  • Holley EFI Terminator X Max kits provide plug and play Transmission control for GM Transmissions
  • Internal 1bar MAP sensor, built into the Holley EFI Terminator X ECU.
  • All of the wiring exits below the fuel injector bowls, for a completely stealth installation
  • Air entry 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 12-886
  • Integrated ignition timing control Plug and play with factory LS coil sub harness and OEM LS coils no external boxes/modules needed to run Coil Near Plug
  • 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!
  • Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI!
  • 4 Inputs 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
  • 4 Outputs Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
  • 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
  • Compatible with Holley EFI digital dashes, gauges and fuel system accessories

Manufacturer Part Number : 550-1029

warning 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
Brand Logo Holley EFI
Additional Information
  • SS396.com Part #: HOL-550-1029
  • Brand: Holley EFI
  • Manufacturer Part #: 550-1029
  • Sold As: Kits
  • Shipping Details: This item ships Ground.
Vehicle Fitment
Make Model Year Body Style
Pontiac Grand Prix 1978 -
Pontiac Grand Prix 1979 -
Pontiac Grand Prix 1980 -
Pontiac Grand Prix 1981 -
Pontiac Grand Prix 1982 -
Pontiac Grand Prix 1983 -
Pontiac Grand Prix 1984 -
Pontiac Grand Prix 1985 -
Pontiac Grand Prix 1986 -
Pontiac Grand Prix 1987 -
Pontiac Grand Prix 1988 -
Installation Time
Installation Time: Info Unavailable
Installation Difficulty
Installation Difficulty: Info Unavailable

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