AN-6 6AN 9/16x18 UNF ALUMINIUM FEMALE WELD ON BUNG BOSS Adapter Oil Fuel Tank
AN-6 9/16x18 UNF ALUMINIUM LOW PROFILE WELD ON BOSS ADAPTER. AN-6 (ORB-6) female threaded aluminium low profile weld on boss adapter, weld this onto your fuel cell, oil cooler, catch tank, swirl pot or any other aluminium tank etc.