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Holley EFI

Holley EFI Transmission Control Harness - GM 4L60 (Pre-2009) and 4L80

: In stock

: Fuel Injection Harness

: Holley EFI

: 558-405

$306.95 $337.95

Expanding our transmission control options for our EFI systems, this harness provides plug and play for Pre-2009 GM 4L60 and 4L80 transmissions...
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Expanding our transmission control options for our EFI systems, this harness provides plug and play for Pre-2009 GM 4L60 and 4L80 transmissions using a Dominator. This also contains a J4 connector to operate GM electronic transmissions.

Your order of 100$ or more gets free standard delivery.

  • Standard delivered 4-5 Business Days
  • Express delivered 2-4 Business Days

Orders are processed and delivered Monday-Friday (excluding public holidays)


eMarket members enjoy free returns.

Holley EFI Transmission Control Harness - GM 4L60 (Pre-2009) and 4L80

$306.95 $337.95