Holley Sniper Efi Self-Tuning Master Kit

Holley SKU: 550-510K
Sale price


Regular price $1,767.00

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. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Holley Sniper EFI self-tuning master kit features:
  • Dual pattern bolt-on carburetor replacement, designed to fit 4150 flanges and spread bore manifolds
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650 hp with four 100 lbs per hour injectors
  • Only 4 wiring connections required
  • Includes complete fuel system, which has 20 ft of 3/8” vapor guard fuel hose, 12-920 fuel pump, filters, necessary hardware and bulkhead fitting to return fuel into the tank
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 psi)
  • Integrated ignition timing control and coil driver
  • High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays.
  • Simple calibration wizard. Just 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 wiz to have EFI
  • Included genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
  • OEM-style TPS/IAC and fuel pressure regulator for years of dependable service
  • Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange
  • Patent pending

West Bend Dyno

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