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Street Race Truck More... The Toolbox
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$1,249.99
Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit
Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit

Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit

Universal Fit, 800 CFM CFM, 3 Emission Code, Black

3 Reviews | 6 Answered Questions
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Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit
Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit
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Part # 425550511K
$1,249.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

MFG. Part #:
550-511K
Sold in Quantity:
Each
GTIN Code:
090127739877
CFM:
800 CFM
Emission Code:
3
Throttle Bore:
1.6875 (1 11/16ths)
Color:
Black
Throttle Body Barrels:
4-Barrel

Info

Holley just brought EFI within range – introducing Sniper EFI master kits! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. The Sniper EFI master kit contains the most complete EFI fuel system on the market.

Everything is included to completely plumb your fuel system including; 20 feet of 3/8” EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!

  • Bolt on carburetor replacement (designed to fit single & dual carb manifolds)
  • For a naturally aspirated engine application only.
  • Not to be used for turbocharger or supercharger applications.
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650hp (4 injector version)
  • 4 wire vehicle connection (Battery +, Battery - , Switched Ignition & RPM)
  • Includes complete fuel system consisting of; 20ft of 3/8” Vapor Guard Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank
  • Integrated fuel pressure regulator
  • Integrated ignition timing control & coil driver
  • Color touchscreen for setup and gauge views
  • 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 Wideband Oxygen Sensor provides realtime Fuel Map Learn
Some parts are not legal for use in California or other states with similar laws/regulations

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