![550-1001 Terminator X Stealth 4150 EFI System [Shiny Finish]](https://www.jegs.com/images/mini_750/500/510/510-550-1001.jpg)
HOLLEYPART NUMBER: 510-550-1001
550-1001 Terminator X Stealth 4150 EFI System [Shiny Finish]
$1,78395$2099.95You Save$316.00
1 left in stockTerminator X Stealth 4150 EFI Systems
Terminator X Stealth 4150 EFI SystemGM 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 Sold as a Kit
Holley 550-1001 Terminator X Stealth 4150 EFI System 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
Part TypeFuel Injection System
BrandHOLLEY
Package Height10.0
Package Width15.0
Package Length26.5
Weight18.255 PG
Part CategoryPerformance Parts
Throttle Body FinishShiny
Oxygen Sensor IncludedYes
Throttle Body Mounting Flange4150
Throttle Body IncludedYes
Distributor IncludedNo
QuantitySold as a kit
Injectors IncludedYes
Part FitmentSemi Universal
Throttle Body MaterialCast Aluminum
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
ITEM YOU MAY ALSO CONSIDER
EASY KITS
Some parts are not legal for use in California or other states with similar laws / regulations



![556-152 Sniper EFI HyperSpark Ignition Coil [Black]](https://www.jegs.com/images/mini_200/500/510/510-556-152.jpg)






![550-1001K1 Terminator X Stealth EFI with HyperSpark Kit [Shiny Finish]](https://www.jegs.com/images/mini_200/500/510/510-550-1001k1.jpg)