@tailonztom: "One end seals on a thirty-seven degree cone. Metal on metal — the angle does the work. The other end seals on a crushed brass ferrule. Force does the work. Neither one seals at a thread — which is why there is nowhere on this part where sealant helps." #ANfittings #fuelSystem #6AN #mechanic #carBuild #LSswap #hardline #fabrication #autorepair #ANhose