Weld-in O2 Sensor Bungs
Size
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- Questions? Call 715-235-3659 or chat with us on the site.
Description
Weld-In O2 Sensor Bungs
When you’re fabricating or upgrading an exhaust, clean O2 sensor placement is everything. These Drag Specialties 12m and 18mm weld-in O2 bungs give builders and tuners a solid, precision-machined mounting point for wideband or factory-style sensors. Whether you're dialing in a performance bagger, chopping a Softail, or building a one-off exhaust for an M8 or Twin Cam, these bungs keep your AFR readings accurate and your welds clean. Made from quality steel and ready for anything you can throw at them.
Features
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Straight-style weld-in bungs for custom exhaust fabrication
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Designed for 12 or 18 mm x 1.5 mm thread O2 sensors (wideband or OEM)
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Ideal for tuning, dyno setup, or relocating factory sensors
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Durable steel construction for strong weld joints
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Machined for proper sensor engagement and leak-free performance
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Made in the USA
Fitment
Universal — fits any custom or fabricated exhaust system requiring 12 or 18 mm O2 sensor ports.
Includes
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Two steel weld-in O2 bungs
Fitment
- Fits Harley-Davidson Touring Models
- Fits Harley-Davidson Softail Models
Not sure it fits your bike? Call 715-235-3659 or chat with us on the site and a tech can confirm it with you.
Specifications & Installation
| Brand | Drag Specialties |
|---|---|
| Part number | Varies by selected option |
| Product type | Hardware |
| Size | 18mm Straight, 18mm 45°, 12mm Straight |
Videos
Want it installed right? Book the Nowaskey Speed Shop or call 715-235-3659.
Questions Riders Ask
Will this fit my bike?
This part is listed for:
- Fits Harley-Davidson Touring Models
- Fits Harley-Davidson Softail Models
Save your bike with Shop by Bike and we check it for you. Not sure? Call or chat with us on the site and a tech can confirm it with you.
What's the part number?
Manufacturer part number 1861-0560. Our item number is 107268. Part numbers change with the option you pick.
What do riders buy with this?
Can I install it myself?
Most riders with basic tools and a service manual can. The Specifications & Installation tab lists difficulty, time and guides where we have them. Prefer a pro install? Book a Speed Shop slot and call to check current availability.
Who do I talk to after I buy?
Our techs. Call 715-235-3659 or chat with us on the site and you will reach the people who know these parts.
Still have a question? Call 715-235-3659 or chat with us on the site.
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Premium Performance Parts
Race-proven suspension, front ends and brakes we stand behind
Track-proven Performance
Nowaskey Extreme Performance is a Harley-Davidson suspension and performance shop in Menomonie, Wisconsin. We design our own shocks, fork cartridges and front-end packages, test them in King of the Baggers racing, and back Nowaskey-brand products with a lifetime warranty.
Every setup is matched to your bike, your weight and the way you ride.