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- USA
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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 - Gold 550-102224X 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
24X 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 | Gold |
| Crank Reluctor | 24x |
| 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 24x |
| 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
4.8 ★★★★★
Based on 1350 reviews
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Product Reviews
★★★★★ 3
Nice shirt, but sizing isn’t ideal for big and tall builds
Size: XX-Large Tall, Color: Black
The shirt itself is decent quality and looks good, but the fit wasn’t great for me. If you’re a big and tall guy, this may not be the best option.
The material has some stretch and feels comfortable, but the overall cut runs smaller and doesn’t offer much room in the shoulders or torso. It works better for slimmer or more standard builds.
If the sizing works for you, it’s a nice-looking shirt. Just be aware that it’s not very forgiving in the fit if you need extra room.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
⭐⭐⭐⭐⭐ Durable Protection That Holds Up in Any Weather
Size: 65 inch, Color: Black
This grill cover is exactly what I needed. The material feels thick and heavy-duty, and it holds up great against sun, wind, and rain. The waterproof design really works—my grill stays completely dry. I also love the secure fit with the hook-and-loop straps; it doesn’t blow off in strong winds. No fading so far either. Great quality and a solid investment to protect your grill!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Good quality, great price
Size: 72 Inch, Color: Black, Size: 72 Inch, Color: Black
Lovely cover and very well-made. I’m not using it for a grill. I am using it for my beach cruiser bike. I love the fact that it’s reflective fabric on the inside. It fits very well and it’s very lightweight and well maneuverable compared to the thicker fabrics that are sold out there. I highly recommend this item. I’ve only had it for a couple weeks, but so far very waterproof and doing the job. Easy to put on and remove.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good quality, water resistant
Size: 52 inch, Color: Black
Feels thinner than the one I had before this which was the same company and model. Still good quality and value for the money. Fits well and looks good. Is water resistant and black is the true color. We’ll see how sturdy it is over the years.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Good cover for the price
Size: 58 inch, Color: Black
I’m very happy with this grill cover so far. It fit my grill really well without being too tight or loose. The material feels sturdy and weather-resistant, and it seems like it will hold up well over time. It was easy to put on and gives good coverage and protection. Definitely worth the purchase
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Reviewed in the United States on May 25, 2026