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Home / Performance Parts / Holley EFI Terminator X Stealth 4150 Secondary Throttle Body – Gold Secondary Service Throttle Body – 4 Injectors Fresh Stock

Holley EFI Terminator X Stealth 4150 Secondary Throttle Body – Gold Secondary Service Throttle Body – 4 Injectors Fresh Stock

Original price was: $2,289.95.Current price is: $915.98.

SKU: SK1045363-US20260126-092757 Category: Tag:

Description

Service Secondary Throttle Body with Injectors. Intended to be used as a service component or when building a custom 4150 style 2×4 setup.

Features

  • Bolt on 2×4 4150 Flange Carburetor Replacement
  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Internal 1bar MAP sensor, built into the Terminator X ECU
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
  • Integrated ignition timing control
  • 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 don’t have to be a computer/tuning wiz to have EFI!
  • The included 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
  • Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
  • Plug and play with Holley EFI Accessories, such as the 12.3” and 6.86” Pro Dash; CAN EGT; and Digital Analog style EFI gauges
  • Available in 3 finishes: Shiny, Black, and Gold