Fox Body Terminator X Stealth 525 Kit N/A

Redline Motorsports inc.

$ 2,894.21 


This a complete kit to convert your 79-95 mustang to the Holley terminator x stealth.  This kit supports up to 650 HP N/A with the use of Holley's 525 LPH Fuel Pump. 

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 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? Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012, 550-1013)


  • Bolt on 4150 Flange Carburetor Replacement
  • Supports up to 650HP with Four 100lb/hr Injectors
  • Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012,550-1013)
  • 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
  • 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

Kit Includes:

HLY-550-1001 Terminator X Stealth

HLY-556-152 Sniper Efi HyperSpark Ignition Coil

HLY-556-151 Sniper Efi HyperSpark CD Ignition Box

HLY-558-493 Distributor Adaptor Harness

HLY-565-202 Holley Efi Dual Sync Distributor

WEI-8020 Weiand Stealth Intake 302 Sbf

MRG-5831 Intake Manifold Gasket Set- Ultra Seal

MRG- 958G Intake Manifold Bolt Set- Sbf

HLY-12-347 Holley 525 LPH Fuel Pump Module 1983-1997 Mustang Supports up to 1200 EFI (@ 60 PSI at 13.5 Volts / 16.9 AMP Draw) of course there are many variables, estimates are based on gasoline. Individual systems will vary based on fuel system design, regulator type, fuel cell location, etc...

HLY-12-882 Chrome Die Cast Fuel Regulator, 60 PSI

Hydraulic Roller Only