Holley 550-601 ECU and Wiring Harness Kit for GM TPI and Holley Stealth Ram

The Holley 550-601 ECU and Wiring Harness Kit is designed for engine control applications using GM TPI and Holley Stealth Ram systems. This kit combines an engine control module with a wiring harness to support a streamlined installation for compatible EFI setups.

Featuring Holley HP EFI engine control, the kit provides the core control and wiring components identified for GM TPI and Holley Stealth Ram applications. Its integrated configuration helps simplify component selection when assembling an EFI engine management system.

Use the Holley 550-601 as a matched ECU and harness solution for the specified GM TPI and Holley Stealth Ram applications. Verify system requirements and application details before installation to ensure the components are appropriate for your engine setup.

Features:

• Engine Control Module: Provides HP EFI engine control for the specified application.
• Wiring Harness: Includes a wiring harness as part of the ECU and harness kit.
• Application: Designed for GM TPI and Holley Stealth Ram systems.
• Kit Configuration: Combines the ECU and wiring harness in one application-focused kit.
• Brand and Part Number: Holley 550-601.