Tach Input Ignition Adapter 558-330
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Features:
- Add RPM signal
- Two wire installation
- Used on a Pro-Billet Distributor or Magnetic Crank Trigger to Sniper 2
- Black connector with purple and green wire
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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