Bassani 18mm x 1.5 O2 Sensor Port Plugs - 1802P

V-Factor 95133 Single O2 Sensor Plug 18mm x 1.5mm for Harley (SOLD EACH!)

Drag Specialties Pair of O2 Sensor Plugs 18 mm x 1.5 mm for Harley Davidson

Drag Specialties Pair of 1861-0562 O2 Sensor Plugs 12mm x 1.25 for Harley

Drag Specialties 02 O2 Sensor Bung Plugs 4 Harley 12Mm 12X1.25Mm X2 Pair

Drag Specialties 1861-0496 Universal O2 Sensor Plug 18 mm x 1.5 mm EACH

O2 Oxygen Wideband Sensor Exhaust Downpipe Blank Bolt Nut M18 x 1.5 Turbo

Drag Specialties O2 Sensor Plug 18mm x 1.5mm for Harley Davidson (SOLD EACH)