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Holley EFI 550-871 4150 Sniper Stealth
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Key item features
- Stealthy Installation: All wiring exits below the rear fuel injector cover, ensuring a completely stealthy installation, with only four connections required for operation.
- Powerful Performance: Supports up to 650hp naturally aspirated or 600hp with forced induction, utilizing four 100 Lb/Hr injectors for robust fuel delivery.
- Integrated Control: Features a throttle body mounted ECU with integrated ignition timing control and a timed spark port for vacuum advanced distributors.
- User-Friendly Tuning: Includes a high-resolution full-color touchscreen for initial setup and gauge displays, along with a simple calibration wizard for self-tuning.
- Versatile Compatibility: Designed as a bolt-on 4150 flange carburetor replacement, fitting most stock-style air cleaners and offering transmission kick-down provisions for various GM and Ford applications.
- 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 makeFord
- Vehicle fitment typeUniversal
- Automotive parts divisionPerformance
- BrandHolley Sniper EFI
- Automotive specialty part typeFuel Injection Conversion
- FeaturesHandheld
Current price is USD$1,393.95
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Columbus, 43215
Arrives by Thu, Feb 26
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Starting from $1,393.95
About this item
Product details
4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black 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 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!;
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!;
- Bolt on 4150 Flange Carburetor Replacement
- Throttle body mounted ECU â€" 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
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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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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Warnings
Warning Text
California Proposition 65
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