Upgrade your vehicle's electrical system with the Holley WIRE HARNESS, designed specifically for seamless integration with Holley Pro Dash models HLY-553-111 and HLY-553-112.
- Plug-and-Play Design: Enjoy a hassle-free installation, allowing you to connect your digital dash quickly and efficiently.
- Reliable Performance: This replacement harness ensures consistent and accurate gauge readings, enhancing your driving experience.
- Quality Construction: Crafted with durability in mind, this wiring harness is built to withstand the rigors of high-performance applications.
- Single Quantity: Sold individually, making it easy to replace just what you need without unnecessary extras.
The Holley WIRE HARNESS (part number 558446) is a key component for your Holley EFI Digital Dash system, ensuring optimal functionality and performance.
Trust Holley for reliable, high-quality automotive solutions that keep your vehicle running at its best.