Kooks Headers CAS-109004 O2 Sensor Extension Harness 12 Inch 4-Pin GM

The Kooks Headers CAS-109004 is a front O2 sensor extension harness designed specifically for GM applications. This 12-inch extension features a 4-pin connector that allows you to relocate your oxygen sensor when installing aftermarket headers or exhaust systems that position the O2 sensor bungs farther from the factory location.

Key Features:

• 12-inch extension length provides adequate reach for most header installations
• 4-pin connector design for GM oxygen sensors
• Front sensor position application
• Eliminates the need to splice or modify factory wiring
• Maintains proper sensor signal integrity
• Handcrafted in the USA

This extension harness is an essential accessory when installing Kooks headers or any aftermarket exhaust system that relocates the O2 sensor position. The plug-and-play design ensures a clean, professional installation without cutting factory wiring, and the proper length prevents strain on sensor connections while maintaining accurate readings for your vehicle's engine management system.