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Holley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish

Name: Holley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish
Brand: Holley Sniper EFI
SKU: 225022877
Price: 1549.95 USD
Availability: InStock
Rating: 4 (1 reviews)

4 stars out of 1 review

(4.0)|

1 rating

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Key item features

Universal Fitment: This 4150 flange carburetor replacement is designed to bolt on and fit a wide range of factory intake manifolds, ensuring broad compatibility.
Integrated Electronics: Features a throttle body mounted ECU, eliminating the need for additional boxes, and supports complete ignition timing control for improved performance.
Power Capabilities: Supports up to 650 HP with four 100lb/hr injectors or up to 1250 HP with eight 100lb/hr injectors for naturally aspirated or forced induction applications.
Stealth Installation: All wiring exits below the rear fuel injector cover, allowing for a completely stealth installation, and includes a timed spark port for vacuum advanced distributors.
User-Friendly Setup: Equipped with a high-resolution full-color touchscreen and a simple calibration wizard for initial setup and tuning without requiring a laptop.
Self-Tuning ECU: The self-tuning ECU, combined with a Genuine Bosch LSU 4.9 wideband oxygen sensor, provides real-time fuel map learning for optimal performance.
Comprehensive Kit: Master Kits include a complete fuel system with an external fuel pressure regulator, 20ft of 3/8" Vapor Guard Fuel Hose, fuel pump, filters, and necessary hardware.

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Specs

Vehicle make
Ford
Vehicle fitment type
Universal
Automotive parts division
Performance
Brand
Holley Sniper EFI
Automotive specialty part type
Fuel Injection Conversion
Features
Handheld

Current price is $1,549.95

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Columbus, 43215

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Comparison Overview:
Product	Viewing this item Holley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish current price $1,549.95 Holley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish 4 out of 5 Stars. 1 reviews	Holley EFI 550-870 4150 Sniper Stealth current price $1,499.95 Holley EFI 550-870 4150 Sniper Stealth 5 out of 5 Stars. 1 reviews	Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM current price $1,299.95 Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	Holley EFI 550-866 Sniper EFI Self-Tuning Kit current price $1,449.95 Holley EFI 550-866 Sniper EFI Self-Tuning Kit	Holley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford current price $1,999.95 Holley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	Holley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit current price $1,599.95 Holley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	Holley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box current price $399.95 Holley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box	Sniper EFI 19-183 Fuel Tank System with 255 LPH Pump current price $870.95 Sniper EFI 19-183 Fuel Tank System with 255 LPH Pump

Comparison Chart:
Vehicle make	FordHolley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish	FordHolley EFI 550-870 4150 Sniper Stealth	-Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	-Holley EFI 550-866 Sniper EFI Self-Tuning Kit	FordHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	ChevroletHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	-Holley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box	DodgeSniper EFI 19-183 Fuel Tank System with 255 LPH Pump
Vehicle fitment type	UniversalHolley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish	SpecificHolley EFI 550-870 4150 Sniper Stealth	SpecificHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	SpecificHolley EFI 550-866 Sniper EFI Self-Tuning Kit	SpecificHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	SpecificHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	SpecificHolley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box	SpecificSniper EFI 19-183 Fuel Tank System with 255 LPH Pump
Automotive parts division	PerformanceHolley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish	PerformanceHolley EFI 550-870 4150 Sniper Stealth	PerformanceHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	PerformanceHolley EFI 550-866 Sniper EFI Self-Tuning Kit	PerformanceHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	PerformanceHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	-Holley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box	PerformanceSniper EFI 19-183 Fuel Tank System with 255 LPH Pump
Automotive specialty part type	Fuel Injection ConversionHolley Sniper EFI 550-872 Holley Sniper Stealth 4150 - Gold Finish	-Holley EFI 550-870 4150 Sniper Stealth	-Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM	EFI Conversion kitHolley EFI 550-866 Sniper EFI Self-Tuning Kit	-Holley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford	Fuel Injection SystemHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit	Ignition Control ModuleHolley Sniper EFI 556-154 HyperSpark 2 CD Ignition Box	Fuel TankSniper EFI 19-183 Fuel Tank System with 255 LPH Pump

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About this item

Product details

4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Gold Finish;

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 Super 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 8 injector variation is capable of supporting up to 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of complete ignition timing control, fuel self-learning, 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?

Master Kits include 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!;

Bolt on 4150 flange carburetor replacement fitâ€™s a wide range of factory intake manifolds
Throttle body mounted ECU â€" no extra boxes to mount
Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/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)
Requires use of external fuel pressure regulator, Holley PN# 12-886 or equivalent, set to a base pressure of 58.5 PSI
Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response
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 donâ€™t have to be a computer/tuning wiz to have EFI!
The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn!
OEM style TPS/IAC and fuel pressure regulator, 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
Also available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes

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Specifications

Vehicle model

4150 EFI Conversion Throttle Body

Vehicle make

Ford

Vehicle fitment type

Universal

Automotive parts division

Performance

Warranty

Warranty information

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