They won't crack or break when installing or removing like the plastic OEM style ones tend to do. The 1/4" hose fits snug over the barbs, ensuring a leak free fit. A: They are not threads. Viton o-rings will be included as well.
FORD IHC IDI 6.9L Diesel Fuel Injector Installation Kit FREE US SHIPPING
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7.3 IDI & 6.9 IDI HARD FUEL LINE UPGRADE KIT, LIFT PUMP LINE TO FUEL FILTER!
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