Holley EFI - 558-405
GM 4L60/80E Transmission Harness
Fuel Injection Wire Harness; 4L60/80E Transmission Harness; w/J4 Connector For Dominator EFI;
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.
- Fuel Injection Wire Harness