Racepak Weldment Bung & Plug Air/Fuel Sensor - Steel RPK810-TX-AFWLDP

Oxygen Sensor Bung - Weld-On - 18 mm x 1.50 Female Thread - Plug Included - Steel - Natural - Each

Fittings Hoses and Valves, Fittings and Plugs, Weld In Bungs and Fittings by RACEPAK