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}Need Help? Call Us1-866-529-0412
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Universal Fit Add Vehicle
Holley® 558-504 Wiring Harness - Universal, Sold individually
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$798.95
$888.00Save: $89.05(10%)
Manufacturer #558-504
Universal Fit Add Vehicle
Qty:
1
Highlights
Part:
Brand:
Notes:
Universal V8 MPFI; Includes Main Harness, Power Harness and Injector Harness, and Tach Adapter
Warranty:
90-day Holley limited warranty
Quantity Sold:
Sold individually
Prop 65 Warning:
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Product Fit:
Universal
Product Information
HOLLEY – WIRING HARNESSES
You can save yourself a lot of time and avoid the frustrations with a Holley wiring harness. With their premium-quality connectors and wiring, they’ll give you a secure and dependable connection to your Holley engine control system. Holley built their excellent reputation on over 100 years of experience, which is why they’re one of the leaders in fuel delivery systems and the choice of every NASCAR team for the past four decades.
- Made with premium-quality connectors and wiring
- Designed to work with Holley’s engine control systems
- Take the headache out of your installation
Need help?Call our product expert1-866-529-0412
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Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.