Holley 558-102 Main Wiring Harness for LS1 and LS6 EFI Systems

The Holley 558-102 Main Wiring Harness is designed for LS1 and LS6 engines, providing reliable electrical connections for Holley HP and Dominator EFI systems. This harness features a 24-tooth reluctor wheel interface, ensuring precise signal transmission for optimal engine performance. Crafted with quality materials, it offers durability and ease of installation for professional and DIY enthusiasts alike. The harness is suitable for a variety of LS-series GM engines, making it a versatile choice for performance upgrades and custom builds. Its comprehensive wiring layout simplifies complex engine management setups, reducing installation time and improving system reliability. Whether upgrading an existing system or building a new custom setup, this harness provides a robust foundation for your EFI system needs.

Features:

• Designed for LS1 and LS6 engines

• Compatible with Holley HP and Dominator EFI systems

• Includes a 24-tooth reluctor wheel interface

• Durable construction with high-quality wiring

• Simplifies engine wiring and installation