SKU: 11082194050

Holley 550-871 Holley Sniper EFI Stealth 4150 Kit - Black Finish

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Description

Holley 550-871 Holley Sniper EFI Stealth 4150 Kit - Black FinishOverview: The Sniper Stealth 4150 EFI system from Holley features 4, 100LB HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 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

Overview:

The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 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. For a complete installation, Master Kits include a complete fuel system with an external fuel pressure regulator preset to 58.5psi, 20ft of 3/8" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware, and bulkhead fitting to return fuel into the tank!

Features:

  • Bolt on 4150 Flange Carburetor Replacement
  • Throttle body mounted ECU - no extra boxes to mount
  • Supports up to 650hp with Four 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.
  • 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.
  • 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
  • Available in 3 finishes: Shiny, Black and coming soon, Gold

 

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
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 11082194050

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Strawberry Girl
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★★★★★ 3
Far from enthralling, but I did learn
Format: Paperback
This book was a disappointment. It looked like exactly what I was looking for: an overview of the history, society, and culture of Egypt from ancient to modern times that wasn't 500+ pages long. I did learn a fair bit of information, but unfortunately, the book is far from "enthralling." It reads like a high school student's book report. In addition, it sometimes just throws terms out there with no explanation, and I found myself having to consult Google. For example, it says "Since hieroglyphs were difficult to create, the Egyptians developed hieretic writing, which was a type of cursive script. Later, demotic writing was developed for ordinary documents." What is demotic writing? How is it different from hieretic? The book doesn't even provide a picture. I had to go to Wikipedia to find out what these things are. This book needs slightly more detail and an author with better writing style / storytelling abilities. That said, it still may be the best short introduction available.
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Reviewed in the United States on August 6, 2024
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Teresa
Bozeman, US
★★★★★ 5
Recommended read by tour guide to Egypt
Format: Paperback
Very good history book of Egypt in non-complicated terms. I wish there were more pictures and maps to add to the descriptions in the book. Read this as it was recommended by our tour guide to Egypt in April
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Reviewed in the United States on March 24, 2025
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Len Gluckstal
New York, US
★★★★★ 5
Very informative
Format: Kindle
Bread read. I book gives you a complete overview of Egyptian history without getting too bogged down. Fast moving. I highly recommend
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tburbr
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Interesting
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The writers at Enthralling History have put together a well written, easy to read book on Egyptian history that will capture your attention and keep you reading. I received a free copy of this book via Booksprout and am voluntarily leaving a review.
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Hawk
Belleville, US
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Enthralling History has done it again an written a very well research book about the history of Egypt. I highly recommend that you don't miss this excellent book.
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