BASSANI XHAUST O2 Port Bung Adapter - 18 mm to 12 mm 102P2

O2 Port Bung Adapter - 18 mm to 12 mm
Threaded outer and inner adapters reduce O² sensor port from 18 mm to 12 mm allowing riders to use our exhaust pipes on select, newer-model motorcycles, Sold in pairs, Made in the U.S.A.