Clamp On O2 Oxygen Sensor Bung Stainless Steel Assembly Kit All kits come complete with

All kits come complete with 4130 heat-treated

Bolt on application for an easy upgrade and includes hardware

Get high flow for your car with Speedmaster water pumps

It ensures precise alignment and improved handling

Clamp On O2 Oxygen Sensor Bung Stainless Steel Assembly Kit All kits come complete withSpeedmaster oxygen sensor bung assemblies offer a no weld installation. Oxygen sensors are vital components that help you adjust to your engine's fuel air ratio via the electronic control unit (ECU). With these easy to install kits, you're on your way to improved performance. Simply drill a hole in your exhaust, install the gasket and sensor fitting, and then secure with the band clamps.