Features: 1. Universal Compatibility: The heavy-duty O2 sensor extension adapter is widely compatible with various vehicle makes and models, helping to meet diverse application needs. 2. Enhanced Functionality: The oxygen sensor extension adapter increases the distance between the O2 sensor and the exhaust system, providing improved installation flexibility. 3. Precise Design: The O2 sensor ext features an M18x1.5 thread pitch and a 50mm length. The threads are precision-machined for accurate fitment and consistent performance. 4. Simple Installation: The oxygen sensor extension is designed for direct bolt-on installation without modifications, offering a fast and convenient setup. (Bolt not included) 5. Durable Construction: Made from high-quality iron material, the O2 sensor ext spacer offers high strength and long-lasting durability. Specification: Item Type: Oxygen Sensor Extension Adapter Material: Iron Length: Approx. 50mm / 2.0in Base Diameter: Approx. 24mm / 0.9in Thread Size: M18x1.5 Application: Universal Package List: 1 x Oxygen Sensor Extension Adapter