Vibrant Performance Oxygen Sensor Bung Weld-On 30� Angle 18 mm x Oxygen Sensor Bung - Weld-On - 30� Angle - 18 mm x 1.50 Female Threads - Stainless - Natural - Each Thread Pitch: M18 x 1.5. Designed for maximum efficiency, this oxygen sensor bung from Vibrant Performance is a must-have for any serious car enthusiast. Its 30� angle and 18 mm size make it easy to install and ensures a secure fit, while the stainless steel construction guarantees durability and longevity. Invest in this high-quality product and take your car's performance to the next level.