Holley 558-103 Main Wiring Harness for LS2 and LS3 EFI Systems

The Holley 558-103 Main Wiring Harness is designed specifically for LS2, LS3, and LS7 engines equipped with Holley HP or Dominator EFI systems. This wiring harness features a 58x reluctor wheel compatibility, ensuring reliable signal transmission and engine management. Constructed with high-quality materials, it provides a secure and durable connection for your fuel injection setup. Easy to install, this harness simplifies wiring connections, reducing installation time and ensuring optimal engine performance. It is suitable for LS-series GM engines and offers a reliable electrical pathway for your EFI system, making it an essential component for custom and professional automotive applications.

Features:

• Compatibility with LS2, LS3, and LS7 engines

• Designed for Holley HP and Dominator EFI systems

• Includes 58x reluctor wheel connection

• High-quality construction for durability and reliability

• Simplifies wiring installation and reduces setup time

• Secure electrical connections for optimal engine performance