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Holley EFI Terminator X Stealth GM LS 4150 - Gold
Type: EFI System | Fits: GM
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Regular price
$2,249.95
-11%
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 features fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! 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 kits provide plug and play Transmission control for GM 4L60 and 4L80 Transmissions.
Features:
- Terminator X Stealth 4150 Kits for either 24x or 58x LS engines
- Supports up to 650HP with Four 100lb./hr. Injectors
- Terminator X Max kits provide plug and play Transmission control for GM Transmissions
- Internal 1bar MAP sensor, built into the Terminator X ECU.
- All of the wiring exits below the fuel injector bowls, for a completely stealth installation
- Air entry 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 12-886
- Integrated ignition timing control â€"Plug and play with factory LS coil sub harness and OEM LS coils â€" no external boxes/modules needed to run Coil Near Plug
- 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!
- 4 Inputs â€" 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
- 4 Outputs â€" Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
- 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
- Compatible with Holley EFI digital dashes, gauges and fuel system accessories
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: Gold
- Crank Reluctor: 24x
- Datalogging Support: Yes
- Distributor Included: No
- Dry Nitrous Control: Yes
- e85 Support: No
- EGT Support: Yes
- Emission Code: 3
- Finish: Gold
- 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: GM LS 24x
- 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
Tech Resources:
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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.
Holley EFI Terminator X Stealth GM LS 4150 - Gold
Regular price
$2,249.95