Holley 558-429 Dominator EFI Drive-by-Wire Wiring Harness for Early GM Trucks
- Regular price
- $285.95 USD
- Regular price
-
$285.95 USD - Sale price
- $285.95 USD
- Unit price
- per
Vendor : HOLLEY
Product Type : Ignitions and Electrical
Sku : HLY558-429
Couldn't load pickup availability
✔ Veteran-Owned Business | ✔ Verified Fitment (SEMA Data) | ✔ Ships 1–3 Business Days | ✔ 30-Day Returns
The Holley 558-429 Dominator EFI Drive-by-Wire Wiring Harness is designed for early GM truck applications using a Holley Dominator EFI system. This harness provides a dedicated wiring solution for drive-by-wire setups.
Built for use with Holley Dominator EFI, the harness helps connect the applicable electronic engine management components in a clean, organized configuration. Its application-specific design supports installation in early truck projects where drive-by-wire control is required.
The Holley Dominator EFI DBW Harness is supplied as an individual harness. Use the part number 558-429 when selecting the correct wiring component for your early GM truck and Holley Dominator EFI installation.
Features:
- Application: Designed for early GM truck applications
- System: Holley Dominator EFI
- Function: Supports drive-by-wire installations
- Product Type: EFI wiring harness
- Brand: Holley
- Part Number: 558-429
- Quantity: Each

