Holley | Dominator EFI Connector J2A Auxiliary Harness

Holley – Dominator EFI Connector J2A Auxiliary Harness

Description

The Holley Dominator EFI Connector J2A Auxiliary Harness 558-401 is used when adding a second wide band oxygen sensor to a Dominator EFI installation. This auxiliary harness connects to the J2A connector on the Dominator EFI ECU, enabling the integration of an additional lambda sensor for applications requiring simultaneous monitoring of two air/fuel mixture points, such as turbocharged or supercharged engines with two independent exhaust sides. A clean and direct solution for high performance Dominator EFI installations.

Specifications

• Brand: Holley
• Part Number: 558-401
• Type: Auxiliary harness, Connector J2A
• Use: Adding second wide band oxygen sensor
• Harness type: Auxiliary
• Compatible: Dominator EFI only
• Connection: Dominator EFI J2A connector
• Application: Dual O2 sensor, high performance installations
• Condition: New
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery