Specification: Material and face Finish: Stainless Steel Color: Silver Size: x 1.5 Thread Length: approx. 46mm/2.16 Inch Features: 1.These spacers contain a small stainless filter that eliminates CEL's for catalyst below efficiency. 2.Will work on any model with a standard O2 sensor. 3.Universal fit for all M18X1.50 speci Vehicle. 4.Easy Installation: This O2 sensor connector is easy to install and can be used on most vehicles without additional tools or equipment. 5.With Fliter: Engine auxiliary adapter come with filter, which is an important auto part, useful and practical Material: Made of stainless steel material, possess cracks resistance, corrosion resistance, and heat resistance High performance: This product come with stable structure, excellent performance and long service life Function: The product is designed to better meet your needs in checking exhaust and engine lights Note: Please allow 1-5mm size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package List: 4x O2 Sensor Spacer Adapter