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Holley EFI 534-300 Terminator X Stealth 4150 Secondary Throttle Body Gold

Manufacturer

Picture for manufacturer Holley EFI

Part Number

534-300
6 reviews
Sale Price

$1,171.95

In Stock (8)

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Usually delivered within 2 days

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Product Details

The Holley EFI Terminator X Stealth 4150 Secondary Throttle Body in Gold finish delivers professional-grade fuel injection in a bolt-on carburetor replacement package. Designed for dual-quad 2x4 applications, this complete EFI system features self-tuning technology that eliminates the need for laptop tuning or specialized expertise.

Key Features:

  • Bolt-on 2x4 4150 flange carburetor replacement for easy installation
  • Eight 100 pound-per-hour fuel injectors support up to 1500 HP naturally aspirated or 1250 HP forced induction
  • Self-tuning ECU with integrated ignition timing control automatically optimizes performance
  • Internal 1 Bar MAP sensor built into the Terminator X ECU
  • High-resolution full color touchscreen for initial setup, tuning, and gauge displays
  • Simple Calibration Wizard creates base map and begins self-tuning with no laptop required
  • Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
  • OEM-style TPS/IAC and components ensure years of dependable service
  • Plug-and-play compatibility with Holley EFI accessories including Pro Dash, CAN EGT, and digital gauges

What's Included:

  • Secondary throttle body with gold finish
  • Terminator X ECU with touchscreen
  • Genuine Bosch LSU 4.9 wideband oxygen sensor
  • Weld-in O2 sensor bung for leak-free exhaust installation

Installation Notes:

Requires external fuel pressure regulator set to 58.5 PSI base pressure (such as Holley part #12-886, sold separately). This secondary unit is designed to work in conjunction with a primary throttle body in dual-quad setups.

Products specifications

Adjustable

Yes

Brand

Holley EFI

Category

Air and Fuel Delivery

Color

Gold

Emission Code

3

Finish

Gold

Flange Size

4150

Flange Style

Squarebore

Fuel Injectors Included

Yes

Fuel System Type

EFI

Grade Type

Performance

Idle Air Control Motor Included

No

Ignition Type

Universal

Injector Size

100 lb/hr @ 58.5 PSI

Max Horsepower Rating

650 Naturally Aspirated

Mounting Hardware Included

No

Part Type

Fuel Injection Throttle Body

Product Type

Throttle Body

Sub Category

Fuel Injection System and Related Components

Throttle Body Finish

Classic Gold

Throttle Body Material

Cast aluminum

Throttle Body Spacer Included

No

Throttle Bore

1.75 in.

Throttle Position Sensor Included

Yes

Warning

California Proposition 65

All good

Good price and service

Good

easy to navigate

Had what I needed in stock and shipped it out quickly. Would have been nice to have the option to ship on my account and get it sooner. Overall good experience and I will come back if I need similar items.

Can’t wait to receive the part. Great pricing all around, from part to shipping.

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