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Holley EFIPart 550-1021Made in US
Product Details
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Key Features
24X Crank - 4 Injectors - 650 HP
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.
24X Crank - 4 Injectors - 650 HP
- 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
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About this product
24X Crank - 4 Injectors - 650 HP
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Product Specifications
Accelerometer Support
Yes
Automotive Item Grade
Performance
Boost Control
Yes
Brand
Holley EFI
California Proposition 65 Chemical Name
4
CAN-BUS Support
Yes
Category
Air and Fuel Delivery
Cfm
950
Coil Per Cylinder Ignition Support
Yes
Color
Black
Country
US
Crank Reluctor
24x
Datalogging Support
Yes
Distributor Included
No
Dry Nitrous Control
Yes
E85 Support
No
EGT Support
Yes
Emission Code
3
Finish
Black
Flange Size
4150
Flange Style
Squarebore
Forced Induction Support
Yes
Fuel Filter Included
No
Fuel Hose Included
No
Fuel Injectors Included
Yes
Fuel Pressure Regulator Included
No
Fuel Pressure
58.5 PSI
Fuel Pump Included
No
Grade Type
Performance
Handheld Included
Yes
HTS Code
8409915085
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
Prop 65 Yes/No
No
Self-Tuning
Yes
Sub Category
Fuel Injection System and Related Components
Terminator LS Options
Fuel
Throttle Bore
1.75 in.
Throttle Position Sensor Included
Yes
User-Tuneable
Yes
Warning
California Proposition 65
Warranty
Manufacturer's Limited 90 Day Warranty
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Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
US
Emissions Code
3
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
26.5 × 14.8 × 9.9 in
Shipping Dimensions
26.5 × 14.8 × 9.9 in
Weight
9342 g (9.34 kg)