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Description
Holley EFI Terminator X Stealth GM LS 4150 - Gold 550-106258X Crank 4 Injectors 650 HP Features: 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 ?"Plug and play with factory LS coil sub harness and OEM LS coils ?" no external boxes modules needed
58X Crank - 4 Injectors - 650 HP
Features:
- 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 ?"Plug and play with factory LS coil sub harness and OEM LS coils ?" 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!
- Self-tuning ECU means you don?™t have to be a computer/tuning wiz to have EFI!
- 4 Inputs ?" 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 ?" 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 |
| CFM | 950 |
| Coil Per Cylinder Ignition Support | Yes |
| Color | Gold |
| Crank Reluctor | 58x |
| 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 |
| Grade Type | Performance |
| Handheld Included | Yes |
| Ignition Timing Control | Yes |
| Ignition Type | GM LS 58x |
| 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 |
| Multi-Stage Nitrous Control | Yes |
| Product Type | EFI System |
| Progressive Nitrous Control | Yes |
| Sale Category | Air and Fuel Delivery |
| Self-Tuning | Yes |
| Terminator LS Options | Fuel, Spark |
| Throttle Bore | 1.75 in. |
| Throttle Position Sensor Included | Yes |
| Transmission | N/A |
| User-Tuneable | Yes |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Greatest Book Ever
I have ordered this book over 12 times for baby showers. I love this illustrations and every principal it stands for. Ignore the haters. I think it’s wonderful to instill in children a core foundation of civility in a society that has a proclivity of demanding what they want. I know a few adults who could learn something from this book today.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2022
★★★★★ 5
Our son LOVES this book
Format: Board book
Our son fell IN LOVE with this book from the first read. He is now always saying PLEASE Mr. panda. He asks us to read it multiple times a day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2025
★★★★★ 4
Book is a hit but not my favorite
Format: Board book
My child likes this book and asks for me to read it to her. I find myself changing some words like you "may" have a donut instead of you "can" have a donut, and making the animals asking for donuts ruder or changing my tone of voice. Nice illustrations, and again -- it's a book that she asks to be read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2024
★★★★★ 5
Quality book
Format: Hardcover
My four year old grandson loved this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 5
Love dinasaurs and pizza....
Format: Hardcover
Its a fun book to read..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
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