Skip to content

800-959-2330

$9.99 flat rate shipping on all eligible orders!

Holley

Filters

  • $202.45 - $202.45
    $202.45
    $233.95
    $233.95 - $233.95
    $233.95

    Holley HLY558-408 Connector & Pin Kit J2A/J2B/J3/J4

    Holley

    Description: The Holley HLY558-408 Connector & Pin Kit is designed for use with J2A, J2B, J3, and J4 plugs, specifically tailored for the Holle...

    View full details
    $202.45 - $202.45
    $202.45
    $233.95
    $233.95 - $233.95
    $233.95
  • $159.25 - $159.25
    $159.25
    $183.95
    $183.95 - $183.95
    $183.95

    Holley HLY558-407 Multi Map Selector

    Holley

    Description: The Holley HLY558-407 Multi Map Selector is an ECM Calibration Select Switch designed for use with Holley Dominator EFI systems. This ...

    View full details
    $159.25 - $159.25
    $159.25
    $183.95
    $183.95 - $183.95
    $183.95
  • $224.95 - $224.95
    $224.95
    $259.95
    $259.95 - $259.95
    $259.95

    Holley HLY558-406 Drive By Wire Harness GM

    Holley

    Description: The Holley HLY558-406 Drive By Wire Harness is designed for use with Holley Dominator EFI systems in GM applications. This wiring harn...

    View full details
    $224.95 - $224.95
    $224.95
    $259.95
    $259.95 - $259.95
    $259.95
  • $276.25 - $276.25
    $276.25
    $318.95
    $318.95 - $318.95
    $318.95

    Holley HLY558-405 Trans Wire Harness GM 4L60 Pre 2009 - 4L80

    Holley

    Description: This wiring harness is an integral part of the EFI system, facilitating the connection between the transmission and the engine managem...

    View full details
    $276.25 - $276.25
    $276.25
    $318.95
    $318.95 - $318.95
    $318.95
  • $206.95 - $206.95
    $206.95
    $238.95
    $238.95 - $238.95
    $238.95

    Holley HLY558-404 J4 Connector & Harness

    Holley

    Description: The Holley HLY558-404 J4 Connector & Harness is an EFI wiring harness designed specifically for the Holley Dominator EFI system. T...

    View full details
    $206.95 - $206.95
    $206.95
    $238.95
    $238.95 - $238.95
    $238.95
  • $161.95 - $161.95
    $161.95
    $186.95
    $186.95 - $186.95
    $186.95

    Holley HLY558-403 J3 Connector & Harness

    Holley

    Description: The Holley HLY558-403 J3 Connector & Harness is designed for use with Dominator EFI systems. This wiring harness features a J3 aux...

    View full details
    $161.95 - $161.95
    $161.95
    $186.95
    $186.95 - $186.95
    $186.95
  • $161.95 - $161.95
    $161.95
    $186.95
    $186.95 - $186.95
    $186.95

    Holley HLY558-402 J2B Auxiliary Harness Kit

    Holley

    Description: The Holley HLY558-402 J2B Auxiliary Harness Kit is designed for use with Holley Dominator EFI systems. This universal kit provides the...

    View full details
    $161.95 - $161.95
    $161.95
    $186.95
    $186.95 - $186.95
    $186.95
  • $210.55 - $210.55
    $210.55
    $242.95
    $242.95 - $242.95
    $242.95

    Holley HLY558-401 Auxiliary Harness J2A Connector

    Holley

    Description: The Holley HLY558-401 Auxiliary Harness J2A Connector is designed for use with Holley Dominator EFI systems. This universal kit provid...

    View full details
    $210.55 - $210.55
    $210.55
    $242.95
    $242.95 - $242.95
    $242.95
  • $264.55 - $264.55
    $264.55
    $304.95
    $304.95 - $304.95
    $304.95

    Holley HLY558-318 Coil-Near-Plug Sub Harness - Big Wire

    Holley

    Description: The Holley HLY558-318 Coil-Near-Plug Sub Harness is designed specifically for V8 engines. This ignition wiring harness features a bi...

    View full details
    $264.55 - $264.55
    $264.55
    $304.95
    $304.95 - $304.95
    $304.95
  • $258.25 - $258.25
    $258.25
    $299.95
    $299.95 - $299.95
    $299.95

    Holley HLY558-312 HP EFI Sub-Harnesses - Smart Coil

    Holley

    Description: The Holley HLY558-312 HP EFI Sub-Harnesses - Smart Coil is designed for use with Holley HP and Dominator EFI systems. The harness is c...

    View full details
    $258.25 - $258.25
    $258.25
    $299.95
    $299.95 - $299.95
    $299.95
  • $179.95 - $179.95
    $179.95
    $207.95
    $207.95 - $207.95
    $207.95

    Holley HLY558-311 Hemi Coil Harness Late TYCO

    Holley

    Description: The Holley HLY558-311 Hemi Coil Harness is designed for use with Mopar Gen III Hemi engines. This EFI wiring harness specifically cate...

    View full details
    $179.95 - $179.95
    $179.95
    $207.95
    $207.95 - $207.95
    $207.95
  • $116.05 - $116.05
    $116.05
    $133.95
    $133.95 - $133.95
    $133.95

    Holley HLY558-305 Ford TFI Ignition Harness

    Holley

    Description: The Holley HLY558-305 Ford TFI Ignition Harness is designed specifically for connecting Ford TFI distributors to Holley Avenger, HP, a...

    View full details
    $116.05 - $116.05
    $116.05
    $133.95
    $133.95 - $133.95
    $133.95
SUPPORT 24/7
SECURE PAYMENT
FLAT RATE SHIPPING
AMAZING SELECTION

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare