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Review on πŸ”₯ Holley Sniper EGFI Hyper Spark Ignition System (556-151) by Doug Virden

Revainrating 2 out of 5

Not easy to set up.

Requires some initial timing adjustments. Everything is not set correctly yet. Holly tech is very hard to reach at the moment. Videos make it look like plug and play, not like that. I called to find a long wait so I emailed the techline, over a week and no response.

Pros
  • Control Units
Cons
  • Requires Socket