Ticon Industries Titanium O2 Sensor Bung w/ Built In Heat Sink (M18x1.5) features a built-in heat sink, designed to dissipate heat quickly and efficiently, while providing maximum durability and longevity for your vehicle's oxygen sensor. This advanced technology ensures precise and accurate readings, allowing for optimal engine performance and fuel efficiency. Put your trust in the expertise of Ticon Industries for quality and reliable automotive parts.