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Description
HOLLEY SUPER SNIPER STEALTH 4150 - EFI - up to 1250HP - BLACK FINISH - 550-877Overview: The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self learning and ignition timing control, improving idle stability, drivability, and wide open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for
Overview:
The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Features:
- Bolt on 4150 Flange Carburetor Replacement
- Throttle body mounted ECU - no extra boxes to mount
- Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
- Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
- Programmable inputs and outputs
- Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
- Six Programmable Ground Outputs
- One +5v Reference Output - +5V Power Supply for 0-5v Sensors
- One Sensor Ground - Ground supply for 0-5v Sensors
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
- Integrated ignition timing control
- 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!
- 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 coming soon, Gold
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley Sniper EFI |
|---|---|
| CFM | 870 |
| Emission Code | 3 |
| Finish | Black |
| Flange Style | 4150 |
| Fuel Pressure | 58.5 PSI |
| Height | 3.28" |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 3/4-16 Female O-Ring (AN 8) |
| MAP Sensor | 2Bar |
| Max Horsepower Rating | 650 Naturally Aspirated |
| Model | 4150 EFI Conversion Throttle Body |
| Product Type | Sniper Stealth EFI |
| Transmission | 700R4/200R4 |
| Transmission | Ford C4/C6 |
| Transmission | TH350 |
| Warning | California Proposition 65 |
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 22 reviews
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Product Reviews
★★★★★ 5
Nice for bbq
Item Package Quantity: 25
These are great for bbq and parties durable and keeps items warm.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2024
★★★★★ 4
Convenient
Item Package Quantity: 25
It’s great to have these on hand but they are too thin and flimsy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2024
★★★★★ 5
Convenient
Item Package Quantity: 25
Perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2025
★★★★★ 5
The Chipotle Rival: Sturdy, Organized, and Ready for Battle
Size: Large Pack
I am giving the Amazon Basics Disposable Cutlery Set a full five-star rating because it delivers convenience and strength far above its weight class. Forget flimsy plastic that snaps on a piece of lettuce—this is the heavy-duty stuff.
The organizational layout of this 192-count large combo pack is brilliant. Having the forks, spoons, and knives pre-sorted and organized in the box makes storage simple and grab-and-go serving effortless. No more digging through a giant bag of mixed silverware for a knife! This simple feature makes prepping for parties, office lunches, or school events a breeze.
But let's talk about the durability. This is the unexpected star of the show. I'm convinced the plastic blend used here is designed to withstand a serious chew. These pieces are so sturdy, they honestly almost rival the legendary durability of Chipotle's cutlery. You can confidently scoop ice cream, saw through a tough piece of brisket, or even scrape hardened cheese off a plate without fear of snapping the handle.
If you need affordable, bulk plastic cutlery that won't embarrass you by breaking in front of a guest, this is the set. It’s organized, sturdy, and a true workhorse. Excellent value and highly recommended!
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Reviewed in the United States on November 18, 2025
★★★★★ 5
Great for parties and everyday
Size: Large Pack, Size: Large Pack
Really good quality. Great price. Very sturdy. We used them everyday at home. We went for the clear ones because it’s easy to see if they are clean. Will definitely purchase for any family events.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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