Holley EFI Terminator X Stealth 4150 - Shiny
Type: EFI System
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)
Features:
- 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)
- Internal 1bar MAP sensor, built into the Terminator X ECU.
- 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
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
- 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
Specs:
- Accelerometer Support: Yes
- Boost Control: Yes
- Brand: Holley EFI
- CAN-BUS Support: Yes
- Category: Air and Fuel Delivery
- CFM: 950
- Coil Per Cylinder Ignition Support: Yes
- Color: Shiny
- Datalogging Support: Yes
- Distributor Included: No
- Dry Nitrous Control: Yes
- e85 Support: No
- EGT Support: Yes
- Emission Code: 3
- Finish: Shiny
- Flange Size: 4150
- Flange Style: Squarebore
- Forced Induction Support: Yes
- Fuel Filter Included: No
- Fuel Hose Included: No
- Fuel Injectors Included: Yes
- Fuel Pressure: 58.5 PSI
- Fuel Pressure Regulator Included: No
- Fuel Pump Included: No
- Grade Type: Performance
- Handheld Included: Yes
- Idle Air Control Motor Included: No
- Ignition Timing Control: Yes
- Ignition Type: Universal
- Individual Cylinder Fuel Corrections: No
- Injector Size: 100 lb/hr @ 58.5 PSI
- Inlet / Outlet Size: 6AN
- Intake Manifold Included: No
- Knock Retard Support: Yes
- MAP Sensor: 1bar
- Max Horsepower Rating: 650
- Mounting Hardware Included: No
- Multi-Stage Nitrous Control: Yes
- Part Type: Fuel Injection System
- Product Type: EFI System
- Progressive Nitrous Control: Yes
- Self-Tuning: Yes
- Sub Category: Fuel Injection System and Related Components
- Terminator LS Options: Fuel, Spark
- Throttle Bore: 1.75 in.
- Throttle Position Sensor Included: Yes
- Transmission: N/A
- User-Tuneable: Yes
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
