Holley Tax Return Season Sale ENDS AT MIDNIGHT!!
No coupon code required--all discounts are already applied.
20% off SRP on many items, including Sniper and Terminator X EFI Systems,
many HyperSpark distributors, MSD Superconductor Spark Plug Wires,
as well as Holley EFI and Terminator X Fuel Injectors!
-10% Main Harness, Multi-point / Stealth Ram

If you need to replace one of the Holley Stealth Ram system harnesses, or if you are building a stealth-ram EFI system from scratch, this is the correct harness.

Not Sure? Review this product documentation before you buy!

Wiring Diagrams for
Holley ECU's and Harnesses

Harness TypeMain
Also IncludedIntegrated 40Amp Relay (Order 534-26 if replacement ever required)
ApplicationUnversal application with Holley Stealth Ram TPI
LengthMost main harnesses allow a maximum of 5 feet between the back of the cylinder head and the ECU mounting location (as the wire travels.) This is only a rough estimate and nothing should be installed before you have the harness in hand.
Unit of SaleEach

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Main Harness, Multi-point / Stealth Ram

  • Views: 13541
  • Brand: Holley EFI
  • Product Code: 558-101
  • Availability: In Stock
  • $547.00
  • $491.95