VZ Series 2, VE 02 Sensor Extension Loom (Square Plug) Features Required for vehicles fitting headers with o2 sensor port further from the engine O2 extension loom GM square 4 pin Important Information: Image might not reflect actual exhaust system. Shipping times can vary due to size, destination and availability. Expertly designed to meet the specific needs of vehicles with headers that have o2 sensor ports further from the engine, this XFORCE - VZ Series 2, VE 02 Sensor Extension Loom (Square Plug) is an essential piece for accurate readings and efficient performance. Featuring a GM square 4 pin design, this extension loom is made with superior quality and precision, ensuring reliable and long-lasting use. Please note that the image may not accurately depict the exhaust system, and shipping times can vary based on size, destination, and availability.