4 Way NC Miata MX-5 Front Oxygen Sensor Extension
Extends the front oxygen sensor electrical connection to Bank 1 Sensor 1 Upstream oxygen sensor. Allows use of the stock oxygen sensor when a race catalytic converter or racing header is installed.
Made here at our US facility in Richmond, Virginia with Tefzel wire construction, high temperature fiberglass based sleeving, and crimp tooling performed with quality OEM tools.
Specific to Mazda vehicles, not for other platforms.