Holley Black Sniper EFI Self Tuning Master Kit
  • Thumbnail  Holley Black Sniper EFI Self Tuning Master Kit

Holley Black Sniper EFI Self Tuning Master Kit

Part # 550-511K
SKU # 854347



Part #550-511K
SKU #854347
Fuel Injection Metering StyleSpeed Density
Fuel Pump IncludedYes
IAT Sensor IncludedYes
Wiring Harness IncludedYes
Additional ContentsMAP, FPR, IAC, IAT, and TPS are integrated into the throttle body. Oxygen sensor and weld in bung included, throttle body base gasket and wiring harness included. All necessary fuel system components included.
Throttle Body IncludedYes
EGR Valve IncludedNo EGR Required
Fuel Pressure Regulator IncludedYes
MAF Sensor IncludedNo MAF Sensor Required
Intake Manifold IncludedNo
Calibration Module IncludedNo Calibration Module Required
ECM IncludedYes
Gaskets IncludedYes
Oxygen Sensor IncludedYes
Distributor IncludedNot Required
Fuel Injectors IncludedYes
Fuel Rail IncludedNot Required
IAC Motor IncludedYes
Intake Plenum IncludedNo Intake Plenum Required
MAP Sensor IncludedYes
TPS IncludedYes


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 Ft. of 3/8 In. 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!

  • checkmarkBolt on Carburetor replacement (designed to fit single & dual carb manifolds)
  • checkmarkThrottle body mounted ECU – no extra boxes to mount
  • checkmarkSupports up to 650hp (4 injector version) and 1250hp (8 injector version)
  • checkmark4 wire vehicle connection battery +, battery -, switched ignition & RPM)
  • checkmarkIntegrated fuel pressure regulator
  • checkmarkIntegrated ignition timing control & coil driver