Description
GM 4L60/80E Transmission Harness – For 1996-2008 Transmissions only.
GM 4L60/80E Transmission Harness – Complete terminated harness with j4 connector to operate GM electronic transmissions. For 2009+ GM 4L60/80E Transmission use Holley EFI Part Number 558-455.
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Quality Holley Efi 558-405 Gm 4L60/80E Transmission Harness (Pre ’09) for your collection.





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