zippers weld in o2 oxygen sensor bung BS90 Includes: 7x8

Includes: 7x8

or just as it is

Direct replacement cam cover for Twin Cam

and for 40-65 Big Twin models as well

The staggered tread pattern provides excellent wet weather performance

zippers weld in o2 oxygen sensor bung BS90 Includes: 7x8Zippers Weld In O2 Oxygen Sensor Bung The Zipper weld in oxygen sensor bung is used in for custom exhaust applications. Designed to accommodate 18mm oxygen sensors, this durable plain steel bung ensures a secure and reliable fit for your O2 sensor needs. Features: Made from plain steel Easy to weld M18x1. 5 thread size Available in a standard straight style or machined at a 45 angle Sold each