550-1011 Terminator X Max Stealth 4150 EFI System with Pre-2009 GM 4L60E/4L80E Transmission Control [Shiny]

Name: 550-1011 Terminator X Max Stealth 4150 EFI System with Pre-2009 GM 4L60E/4L80E Transmission Control [Shiny]
Brand: HOLLEY
SKU: 510-550-1011
Price: 2123.95 USD
Availability: InStock

^$2,123⁹⁵$2499.95You Save$376.00

Ships on 10/23/2026

Lowest Price Guarantee

Terminator X Max Stealth 4150 EFI Systems

Terminator X Max Stealth 4150 EFI System

With Pre-2009 GM 4L60E/4L80E Transmission Control

GM 4, 6, 8-Cylinder 200-650 HP Engine (w/4-bbl 4150 Intake Manifold)

(4) 100 lb/hr Injectors @ 58.500 PSI

650 HP (Naturally Aspirated)

Shiny Finish

Holley 550-1011 Terminator X Max Stealth 4150 EFI System with Pre-2009 GM 4L60E/4L80E Transmission Control Features:

Replaces a 4150 Flange Carburetor

Supports up to 650 Naturally-Aspirated Horsepower

(4) 100 lb/hr Injectors

All wiring exits below the rear fuel injector cover for a clean "stealth" look

The vacuum advanced distributor timed spark port is positioned under the front fuel bowl (easy access to the distributor)

Precision-machined Air entry will fit most stock-style air cleaners (with air cleaner locator provisions)

Integrated ignition timing control

Full-Color, High-Resolution 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

Includes genuine Bosch LSU 4.9 wideband O2 sensor for real-time fuel mapping

OEM-Style Throttle Position, Idle Air Control (TPS/IAC) Sensors

Installation Notes:

Requires a Holley 510-12-886 external fuel pressure regulator (set to a base pressure of 58.5 PSI)
Use 510-534-247 high-pressure fuel log for simpler installation

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeFuel Injection System

BrandHOLLEY

Package Height10.0

Package Width15.0

Package Length26.5

Weight20.265 PG

Part CategoryPerformance Parts

Throttle Body FinishShiny

Oxygen Sensor IncludedYes

Throttle Body Mounting Flange4150

Throttle Body IncludedYes