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Product Summary

Universal Fit, Self Tuning, Throttle Body Included

  • Holley Sniper EFI Master Kits include everything you will need to get your new Sniper EFI throttle body setup and running on any of your vehicles
  • Master Kits include 20 feet of 3/8" EFI fuel hose, in-line electric fuel pump, pre and post filters, return bulkhead, and all of the needed fuel fittings and hardware to get your system plumbed, wired up and running in no time
  • Fits single and dual plane intake manifolds
  • Throttle body mounted ECU - no extra computers to mount or relocate
  • Color touchscreen for easy setup and gauge displays

Comes as a Kit

Key Specs

BrandHolley Sniper

Need To Know

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Details

Kit Includes:

  • (1) Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit
  • (1) Holley Sniper 556-152 EFI Hyperspark Ignition Coil
  • (1) Holley Sniper 556-151 EFI Hyperspark Ignition Box

Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit

  • Direct carburetor replacement
  • Fits single and dual plane intake manifolds
  • Naturally aspirated applications only
  • Throttle body mounted ECU - no extra computers to mount or relocate
  • Capable of supporting up to 650 HP
  • Simple, 4 wire connection (Battery +, Battery -, Switched ignition & RPM)
  • Built in pre-set fuel pressure regulator
  • Integrated ignition timing control & coil driver
  • Color touchscreen for easy setup and gauge displays
  • Self tuning ECU means you dont have to be a computer/tuning expert to enjoy EFI
  • Chrome finish

Holley Sniper 556-152 EFI Hyperspark Ignition Coil

  • Designed to work with Sniper EFI – Plug and Play
  • Ignition coil connector removes any doubt of loose connections at the Ignition Coil.
  • Integrated Ignition Coil bracket simplifies mounting the ignition coil.
  • 135mJ of spark energy when used with the HyperSpark Ignition Box, ensures complete combustion

Holley Sniper 556-151 EFI Hyperspark Ignition Box

  • Designed to work with Sniper EFI – Minimal wiring required.
  • 135mJ of spark energy when used with the HyperSpark Ignition coil, ensures complete combustion
  • HyperSpark CD Ignition box is seal and powder coated to be installed in the harshest of locations.
  • External LED on Hyperspark CD Ignition box helps verify 12v, cranking RPM, and low battery voltage.
  • Very low key off current (<150 microamps), so you can rest easy that your battery won’t drain during storage periods.

Charts

Specifications

KEY SPECS
BrandHolley Sniper
GENERAL
Self TuningYes
Throttle Body IncludedYes
Throttle Body MaterialAluminum
Throttle Body FinishPolished
ColorSilver
Gaskets IncludedYes
Hardware IncludedYes
Sold in QuantityKit