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Description
Holley EFI Terminator X Max Stealth 4150 - GM LS Engines 550-1064Black 58X Crank Trans Control 650 HP 3. 5 in. Touchscreen 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
Black - 58X Crank - Trans Control - 650 HP - 3.5 in. Touchscreen
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 | Black |
| Crank Reluctor | 58x |
| 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 | 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, Transmission |
| Throttle Bore | 1.75 in. |
| Throttle Position Sensor Included | Yes |
| Transmission | 4L60E/4L80E |
| 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
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
★★★★★ 5
Fantastic writing and non-stop action
Format: Kindle
This is a promising, fantastic beginning to what will be a 4-book series. Some readers may be content to read only the first 2 books, but I think you'll find that the story is so good that you'll want to keep reading books 3 and 4.
Book 1 is about omega Elvana's introduction to the "Starling" brothers and their search for another missing person, Kelly. It's a bit of a rocky start, with deception and betrayal a key element. Hardly an auspicious beginning. Each member has their own path and purpose in the pack. Their interactions and the resulting narrative are so well-written that I found it difficult to put down.
There is a cliffhanger that will have you reaching for book 2 as you finish, so make sure you have it on hand.
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Reviewed in the United States on September 27, 2023
★★★★★ 4
Fun read
Format: Kindle
I'm not really into mafia books but I love Roxy Collin's other series so I decided to give it a try. It had the same great romance, spice, swoon-worthy characters and exciting plot that are her signature. Arben was my favorite, although it was a bit sudden how quickly he changed from ignoring her to wanting to be pack. There were almost too many twists/layers of lies to keep track of but I'm looking forward to reading the other books.
The only thing that detracted from the story for me was the need for a bit more proofreading. It was mentioned that Kelly is a female and male at different points, leading me to think she changed her mind at some point about the character's gender but didn't go back and edit it to align in all places. Like another reviewer pointed out, step siblings are different than half siblings. They are incorrectly referred to as step siblings because they (allegedly) share the same biological dad. There are a few other typos as well but those aren't a big deal.
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Reviewed in the United States on March 18, 2025
★★★★★ 5
Stepbrothers, Secrets, and Sizzling Heat
Format: Kindle
Twisted Lies by Roxy Collins is a wild ride through family secrets, amnesia, and a steamy stepbrother romance. When Kelly discovers her life is built on lies, she ends up tangled with three alpha stepbrothers and an assassin who once helped her through a heat.
The tension? Off the charts!
The heat is real, and the complications are messy in the best way. Full of twists, secrets, and fated mates? You'll be hooked from page one!
Love omegaverse drama with a dash of taboo? This one's for you!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2024
★★★★★ 3
Good read
Format: Kindle
The book has some good twists and turns, but truthfully I was so confused on some things. It didn't have a good flow for me personally. Not sure if it's due to typos or using him/her wrongly, but I thought Kelly was both a guy and a girl. Actually I still don't know, and it made me incredibly frustrated. It would refer to Kelley as him or he, and then again in another part of the story as her she and sister. On to the next book, I hope there is some clarity and a smoother flow. This is a slow burn, and I just don't know how much I care for the Alphas yet. Idk if I recommend.
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Reviewed in the United States on February 8, 2023