For Ls Swap EFI Fuel Rail Adapter Fittings Feed Return AN6 4.8 5.3 LS1 LQ4 9 6pc

3 × Fuel Line EFI Adapte r Fitting AN6 to 3/8". 3 x Fuel Line EFI Adapter Fitting AN6 to 5/16". [Seal] The 6an flare efi fitting is sealed at 37 degree angle to avoid leakage. About this item. [Material] Made of aluminum alloy 6061-T6.