Sniper EFI Coil Driver Module


PART# 556-150

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The Sniper EFI Coil Driver Module is designed to be used in place of a capacitive discharge box. This coil driver is utilized to amplify the energy transferred to your spark plug, promoting complete combustion in the cylinder!


  • Compact size allows for easy installation without cluttering up your engine bay!
  • Labeled wires take the stress out of your wiring installation


BrandHolley Sniper EFI
Product TypeHigh Current Driver - Module
Part Number556-150

Tech Resources


Have a question about this product?

  • Question

    Hi, I just received my Sniper EFI and found this in the box. It is not referenced at all in the instructions. What is it for and do I install it with the kit. I have a 350 Buick engine with a Pertonix III Ignition.

    By Mike G. on March 13, 2018

    Mike, The 556-150 is the Sniper EFI Ignition coil driver module. It can be used in the place of a CD box in installations that need something to drive a coil. If you search the below document for the term "coil driver" you will find several sections of the instructions with information regarding this component. Since you already have an existing ignition system, you do not need to utilize this component of the kit.
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