Big Dog | American Ironhorse | Bourget Bike Works | Big Bear Choppers | Harley-Davidson
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o2 Sensor kit; Oxygen Sensors, pair:
These made in house o2 sensors are built to Big Dog spec. They're a plug-n-play kit, making it easy to remove old, and install new.
Build for the S&S VFI Delphi EFI system.