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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Holley EFI Terminator X Stealth GM LS 4150 - Shiny 550-106058X Crank 4 Injectors 650 HP 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
58X Crank - 4 Injectors - 650 HP
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 ?"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 | Shiny |
| Crank Reluctor | 58x |
| 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 |
| 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 |
| 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
4.6 ★★★★★
Based on 2282 reviews
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Product Reviews
★★★★★ 3
Not your average Billionaire's Nanny
Format: Kindle
A unique twist on a Billionaires Nanny plot. I was immediately drawn into the story and it kept me guessing on how it would unfold. The chemistry between Tessa, Damien, Theo and Nico was HOT. The spicy scenes were intense and everything you would expect from a Cassie Cole book. I had a difficult time connecting with Tessa. Some of her actions and unexplained entitlement to know everything going on around her seemed off to me but Theo was my absolute favorite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
★★★★★ 5
Hot tamales!
Format: Kindle
So Nico, using food as his love language. Damien, stoic and mysterious. Theo strong and constant. All revolving around Tessa, whose more than just a nanny. Absolutely loved it. Steamy and packed with awe and wonder as they travel the world in the name of art. Couldn't put the story down.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 4
Entertaining Sweet and Steamy Billionaire RH Romance🔥❤️🔥
Format: Kindle
In this entertaining sweet and steamy,billionaire, RH romance Tessa is working as a server at a party for the Hawthorne Conservancy where she meets a cute little girl Tabitha who is going to change her life. After the party Tabitha can't stop talking about Tessa so her father Damian who's a billionaire takes it upon himself to just show up with no warning. The purpose of the surprise visit is to offer Tessa the job as Tabitha's nanny which she really has no chance of refusing. Once Tessa accepts the job she meets Nico the chauffeur as well as Theo the head of security Damian,Nico and Theo go everywhere and do everything together. What Tessa thought was going to be a simple nanny job has turned into so much more. I don't want to say anymore and ruin it for anyone else with spoilers. You really need to read this entertaining, sweet and steamy, billionaire, RH romance to see what happens. I would recommend reading this book.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
★★★★★ 3
Just okay
Format: Kindle
This is the second book from this duo I’ve read. And I just can’t get into it. Like Cassie Cole books. Sasha Moon is new to me. This book has a decent storyline. Intrigue. Exotic places. Dangerous underworld. Tessa is plucked from her waitressing job to nanny for Damien. The billionaire art mogul and his 2 friends. They are deep into a new project that they call the Legacy Collection. She’s whisked around the world as she Nanny’s for the billionaire. My problem is that I just do not like Tessa. She’s quickly inserting herself into business she knows nothing about. Creeping around places she shouldn’t be and the billionaire and his security is okay about it. A slight talking to and that’s all. I like a strong female character, but she was often a brat. She just wasn’t likable to me. She was tolerable once they arrived in Greece, but I was too far gone at that point. Good level of spice. The scenes were hot. The guys were likable. Overall, I couldn’t wait to finish it but I found myself often putting off picking it up
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2025
★★★★★ 5
Great Story!!
Format: Kindle
This was a great story however, it did seem a little short. Maybe a little rushed, but that could also be because I wanted a little more development of the characters as a family :).
Also, I love how this story doesn’t seem like there are two different authors! Whew :). I love that!!!
The only real criticism I have is that there are too many characters with names that start with the letter “T” and it makes reading the story a little confusing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
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