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Holley Sniper EFI BBD Self-Tuning Master System for 258 6-Cylinder Engines Gold Finish

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Product Details

Introducing the Sniper EFI BBD Master Kit for 258 straight-6 engines!  The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control!  Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Perfect for Full Size Jeeps, as well as nearly any carbureted vehicle.

With this system, you will put an end to cold start issues, hesitations, vapor lock, and flooding.  

Available in Gold Finish.  

This is a Master kit, and includes the complete fuel system: fuel pump, filters, 20' of 3/8" Vapor Guard Fuel Hose and all fittings including fuel tank return line bulkhead fitting.  We sell Base Kits separately that do not include those items (see link below).


  • Fits All with 258 Inline-6 Cylinder
  • Bolt-on Replacement for BBD Carburetors
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 350hp with Two 100lb injectors
  • 4 wire vehicle connection (Battery +, Battery - , Switched Ignition & RPM)
  • Integrated fuel pressure regulator (Preset to 58.5 PSI)
  • 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!
  • Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
  • 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 (Weld-on and 2.25" Clamp-on) provides realtime Fuel Map Learn!
  • Base Kit Without Fuel System Available HERE
  • Linkage Adapter Kits Available Here
  • Machined, Assembled & Tested in the USA (with 1 part from Canada, and the balance from the USA)

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