This -8 SAE AN O-Ring fitting is designed to block off an un-used fuel rail end. If your FAST LSX fuel rail installation doesn't require an in-rail fuel pressure gauge, then use this plug to seal off the un-used rail end.
Tags: ClearanceItem:N , Engine Components>Hardware Kits - Other , EPA:N/A , LTL:N , MPN:54028P , Non-CARB:N , Prop65:Y , SpecialOrder:Y ,
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