Features: 1.M18*1.5 thread pitch, 45mm length Check Engine Light Eliminator Adapter 2.Increases the distance between the O2 sensor and exhaust system 3.Universal fitment for most vehicles with the M18*1.5 O2 sensor hole 4.Threads made with dedicated tool, perfect accuracy and repeatability 5.Easy installation, direct bolt?on, no modification needed Specification: Features: M18*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: Iron Color: Silver Thread Size: M18*1.5 Length: 45mm/1.8in Hex: 22mm/0.9in Item Quantity: 2Pcs Package Weight: approx.100g/3.5oz Fitment: Universal Application: for oxygen sensor extension Package List: 2 * Oxygen Sensor Adapter