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Vehicle Info NeededHOLLEYPART NUMBER: 510-550-874
550-874 Super Sniper Stealth 4150 Self-Tuning Fuel Injection System
$1,69195
1 left in stock
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Lowest Price GuaranteeSuper Sniper Stealth 4150 - 650 HP
Super Sniper Stealth 4150 Self-Tuning Fuel Injection System4150 Flange Supports Up to 650 HP 870 CFM Programable Inputs/Outputs Controlled by 3.500 in. Touchscreen (4) 100 lbs./hr Injectors Black Finish
Holley 4150 flange EFI carburetor replacement Supports up to 650 naturally aspirated HP or 600 forced-induction HP using (4) 100 lbs./hr Injectors 870 CFM flow rate All system wiring exits below the rear fuel injector cover, for a complete stealth installation and appearance 2.5 Bar MAP sensor Integrated ignition timing control Throttle body mounted ECU (4) wiring connections required (Battery +, Battery -, Ignition, RPM) High-resolution color touchscreen controller Calibration wizard tunes ECU without the use of a computer or extensive engine tuning knowledge Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn OEM-style throttle position sensor (TPS) and idle air control (IAC) 2.500 in. clamp-on oxygen sensor kit allows easy integration into older exhaust systems (3) Programmable 0-5 V sensor inputs for oil, fuel, dome or nitrous pressure sensors (6) Programmable ground outputs (1) +5 V reference output (1) Sensor ground 3.280 in. overall height -8 AN (3/4-16) female O-ring inlet/outlet Kickdown provisions for GM: TH350, TH400, 200R4, 700R4 Ford: C4, C6 Compatible with Holley Ultra XP Carburetor drop base air cleaners as well as most stock-style air cleaners with air cleaner locator provisions
Holley 550-874 550-874 Super Sniper Stealth 4150 Self-Tuning Fuel Injection System Features:
Installation Notes:
- Requires a Holley 510-12-886 external fuel pressure regulator (set to a base pressure of 58.5 PSI)
- Use 510-534-247 high-pressure fuel log for simpler installation
- For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeFuel Injection System
BrandHOLLEY
Package Height9.3
Package Width12.5
Package Length14.5
Weight12.7 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Iat Sensor IncludedYes
Venturi Quantity4
Inlet Size-8 AN
Intake Manifold IncludedNo
Calibration Module IncludedYes
Throttle Body Mounting Flange4150
Distributor IncludedNo
Injection StyleThrottle body
Iac Motor IncludedYes
Fuel Pump IncludedNo
Throttle Body FinishBlack
Outlet Size-8 AN
Throttle Body IncludedYes
Metering StyleSpeed density
Fuel Pressure Regulator IncludedNo
QuantitySold as a kit
Injectors IncludedYes
Tps Sensor IncludedYes
Fuel Rails IncludedNo
EgrNo
Ecm IncludedYes
Oxygen Sensor IncludedYes
Injector Size (Lbs./Hr.)100
Part FitmentSemi Universal
Throttle Body MaterialCast Aluminum
Airflow Rate (Cfm)870 cfm
Map Sensor IncludedYes
Package Qty1
Package TypeEA
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