4 Way compatible with NC Miata MX-5 Front Oxygen Sensor Extension Description: 4 Way compatible with 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 RoadsterSport Max Power racing header is installed. If you require a custom length extension please let us know. This is the standard length of 17" electrically. 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 replacement for Mazda vehicles, not for other platforms. Mazda Motorsports Part Number 0000-10-5320 4 Way compatible with NC Miata MX-5 Front Oxygen Sensor Extension Specific to replacement for Mazda vehicles, not for other platforms. Mazda Motorsports Part Number 0000-10-5320 4 Way compatible with NC Miata MX-5 Front Oxygen Sensor Plug Connector Pigtail Compatible with Mazdaspeed 3 Compatible with Mazdaspeed 6 Compatible with Mazda CX-7 Compatible with Mazda MX-5 Compatible with 2007 - 2014 Ford Mustang Compatible with Ford Falcon AU2 / AU3 / BA / BF T-MAP Sensor Connector Compatible with other Ford & Mazda Applications! 4 Way compatible with NC Miata MX-5 Front Oxygen Sensor Receptacle Connector Pigtail Compatible with Mazdaspeed 3 Compatible with Mazdaspeed 6 Compatible with Mazda CX-7 Compatible with Mazda MX-5 Compatible with 2007 - 2014 Ford Mustang Compatible with Ford Falcon AU2 / AU3 / BA / BF T-MAP Sensor Connector Compatible with other Ford & Mazda Applications! 4 Way compatible with NC Miata MX-5 Front Oxygen Sensor Extension Specific to replacement for Mazda vehicles, not for other platforms. Mazda Motorsports Part Number 0000-10-5320 Applications: Replacement for Mazda Motorsports Part Number 0000-10-5320 Compatible with Mazdaspeed 3 Compatible with Mazda MX-5 Compatible with Mazdaspeed 6 Compatible with Mazda CX-7 Compatible with 2007 - 2014 Ford Mustang Compatible with Ford Falcon AU2 / AU3 / BA / BF T-MAP Sensor Connector Compatible with other Ford & Mazda Applications! High Quality Performance Parts Ballenger Motorsports was founded in July 2003 to design, manufacture, and retail high-quality performance parts for Motorcycles, Cars, ATVs & Trucks, focusing on electronic components. We focus on engineering the highest quality control systems at a low cost. Our unique approach combines hard work and experience to deliver excellent products directly to the consumer.