5.0 · 1 review
SKU: 534-298

EFI Terminator X Stealth 4150 Secondary Throttle Body - Shiny

$1,127.00
FREE delivery
Description

ABOUT THIS PRODUCT

Replacement/Service secondary throttle body with injectors, intended to be used as a service component or when building a custom 4150 style 2x4 setup.

Product Features:
  • Bolt on 2x4 4150 flange carburetor replacement
  • Supports up to 1500 HP naturally aspirated or 1250 HP forced induction
  • (8) 100 pound per hour fuel injectors
  • Internal 1 Bar 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 No. 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
Specifications
Brand
Holley EFI (770)
SKU
534-298
Product type
Automotive
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Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

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Customer Reviews

5.0

Based on 1 review

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Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

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