Features:      1. The installation plug is made of stainless steel (stainless steel 304 corrosive environment, sturdy and durable body design), easy to weld on the O2 sensor assembly, exhaust pipe, header, downpipe, etc.        2. Install solder plugs to replace or add sensor ports to any OEM or aftermarket exhaust or downpipe. Drill holes and solder to install the plugs.        3. The screw tool accessories are more in line with the needs of the public, with strong compatibility and strong reusability. This model is a 90 Degree and 60.8mm long automotive oxygen sensor part. Specially designed for most vehicles with M18X1.5 sensor hole, on European cars, the success rate is also over 99%.        4. For your custom oxygen sensor installations, exhausts, downpipes, headers, exchangers and other installations that require welded or welded metric connections.        5. Most cars can be used, and it is also an indispensable part of the car. Improve exhaust gas purification rate and vehicle efficiency            Specification:        Size: 60.8*52.5MM/2.3*2.0 inches        Weight: 0.2KG/7.0oz        Thread: M18 x 1.5 mm        Material: 304 stainless steel            Product List:        1*90 Degree oxygen sensor