Holley Sniper Stealth 4150 EFI Self Tuning Master Kit Black Finish

Holley:
550-871K

Highlights

  • Complete Fuel System Kit
  • Self Tuning ECU
  • Supports 650 Horsepower
  • Simple Install and Calibration
MSRP $2,024.95
$1,799.95
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Product Description

Holley Sniper Black Finish Stealth 4150 EFI Self Tuning Master Kit.

The Sniper Stealth 4150 EFI System (550871K) from Holley features four 100LB/HR Fuel Injectors capable of supporting up to 650 naturally aspirated HP or 600 HP on forced induction applications. 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, and all necessary hardware and bulkhead fittings to return fuel into your tank!

Features and Benefits:
- Black finish
- Bolt on 4150 Flange Carburetor Replacement
- Throttle body mounted ECU
- Supports up to 650hp
- Includes high pressure fuel crossover line
- High Resolution Full Color Touchscreen
- Simple Calibration Wizard
- Self-tuning ECU

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? Plus, this EFI conversion is designed to look just like a carburetor so you can keep the stock looking appearance under the hood of your vehicle. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM.)

Vehicle Fitment:
1965-1985 Mustang
1966-1977 Bronco
1948-1979 F100
1960-1987 C10

California Residents: Proposition 65 Warning

Related Categories: Mustang Parts, Mustang Engine, Mustang Fuel Injectors & Mass Air Meters, Ford Bronco Parts, Ford F-100 Parts

Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:

  • 1965 and older U.S. manufactured California certified vehicles
  • 1967 and older U.S. manufactured federally certified vehicles
Installation & Fitment

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following C10 years:

This product will fit the following F-100 years:

  • 1948,
  • 1949,
  • 1950,
  • 1951,
  • 1952,
  • 1953,
  • 1954,
  • 1955,
  • 1956,
  • 1957,
  • 1958,
  • 1959,
  • 1960,
  • 1961,
  • 1962,
  • 1963,
  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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