1M18*1.5 thread pitch, 45mm length Check Engine Light Eliminator Adapter 2Increases the distance between the O2 sensor and exhaust system 3Universal fitment for most vehicles with the M18*1.5 O2 sensor hole 4Threads made with dedicated tool, perfect accuracy and repeatability 5Easy installation, direct bolt-on, no modification neededM18*1.5 thread pitch, 45mm length Check Engine Light Eliminator Adapter. Increases the distance between the O2 sensor and exhaust system. Universal fitment for most vehicles with the M18*1.5 O2 sensor hole. Threads made with dedicated tool, perfect accuracy and repeatability. Easy installation, direct bolt-on, no modification needed. Made of high quality iron, high strength and durability. Specifications:Material: IronColor: SilverThread Size: M18*1.5Length: 45mm/1.8inHex: 22mm/0.9in Item Quantity: 2PcsPackage Weight: approx.100g/3.5ozFitment: UniversalApplication: for oxygen sensor extensionPackage List:2 * Oxygen Sensor Adapter