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Holly Sniper EFI Input/Output Harness 558-491

Holly Sniper EFI Input/Output Harness 558-491
$105.99 ea
NEWARRIVING SOONEstimated Ship Date 11/19/2025 (If Ordered Today)78 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/03/2025
Model: 4007869
Supplier has not provided any fitment data for this product.
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This harness gives you the access to 2 Ground Trigger Inputs, 3 Ground Trigger Outputs, also the Points Output, Tachometer output, and Digital Gauge Output Wires. The Input Grounds can be used for things such as AC Kick, and nitrous stage activation! The Output Grounds can be used for Electronic Fan Control, or A/C Shutdown at WOT.
Features:
  • 1x 3’ Points Output Wire
  • 1x 5’ Tachometer output
  • Wires come individually labeled for easy identification
  • 2x 5’ Long Output Wires
  • 2x 3’ Log Inputs Wires
  • 1x 3’ Long Output Wire
  • 1x 5’ Long Digital Gauge Output (For Holley EFI Analog Gauges)

Specifications:

Emission Code 3
Part Type Computer Chip Programmer Input Cable
Product Type Input/Output Harness

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