2Pcs Stainless Steel o2 Oxygen sensor Bung Adapater Extension, Universal Spacer Extender Isolator for Exhaust Systems, 45mm M18*1.5

【Easy Installation】: Most modern vehicles are fitted with M18x1.5mm threaded oxygen sensors, you can easily screw your oxygen sensor into the spacer and then the spacer into your exhaust, direct bolt-on, no modIfication needed, and easily install within minutes 【Function】: M18*1.5 thread pitch, 45mm length Check Engine Light Eliminator Adapter. These are needed when using a HHO System or a test pipe. They are also used to lean out your vehicle for better gas milage. Increases the distance between the O2 sensor and exhaust system 【Universal Fitted】: Universal 18mm threaded socket fitment for most vehicles with the M18*1.5 O2 sensor hole. Built to last and resistant to extreme heat related fatigue 【Heavy Duty Material】: Oxygen sensor adapter made of high quality CNC machined 304 stainless steel which is high strength and durability to use and never have rust or corrosion. This will enable the spacer to using for a long time. Threads made with dedicated tool, perfect accuracy and repeatability 【Service Guarantee】: Money Refund or New Replacement, long Worry-free Guarantee, and Within 24h Online Answer to you. If you have any questions on our O2 Oxygen Sensor Spacer Adapater, please feel free to contact us