Holley EFI Pro Dash Service Harness 558-446
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Features:
- Replacement/Service
- For Pro Dash product line
- TE Superseal 34 pin connector
- Refer to Owners Manual for correct inputs and outputs
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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