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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
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
The Hobby Crafter Review: Stick well, clear print, durable, accurate alignment
See below the way I choose the star rating.
First I want to say that I am still mad, that the NIIMBOT printer only accepts original NIIMBOT labels, which come at a VERY limited choice, are pricey, and often not even available on Amazon. That being said, those labels work very well, the print is crisp, even the small letters (see picture, the small letters are 1/16"). The ink does not come off, even when rubbed with greasy fingers.
I am not able to remove them easily, the adhesion is very good. All prints are centered, even when printing multiple. They align very well in the printer. Which is to be expected at that price!
I will buy them again once they are available, because I have no choice, but also because the quality is very good.
Star Rating:
***** Exceeds expectations and is better than thought
**** Meets expectations and would buy again
***Some minor flaws but ok for the price, would not buy again
** Terrible and I only kept it when the price is right or because of the lack of better alternative
*Returned the item because it doesn't work as advertised, is broken, or quality is extremely poor
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
★★★★★ 5
20 X 40mm vial labels
Size: 1.6“ X 0.8"-White, Color: White
Works perfectly. Make sure when you’re buying labels that you don’t buy M1/M2 labels unless you have the M1/M2. You need direct transfer unless you have the M series with the fancy color cartridges etc. The “fancy” labels won’t work on normal thermal printers, they need the color cartridges to show up.
Anyway this is the 20mm X 40mm size. Perfect for vials. Works in many other non-branded machines.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Great
Size: 1.6“ X 0.8"-White, Color: White
👍🏽
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Great label for our products!
Size: 1.2" X 1.2"-Round-White, Color: White
Finding the NIIMBOT B1 Thermal printer has been a time-saving blessing. The labels are the perfect size and so easy to use-just right for our products and carry out bags! A great value for the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Dog loves these
My dog is obsessed with these 🙏🏻😇
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
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