Fleece Performance #1 and #8 Injection Line 04.5-05 6.6L GM Duramax LLY

The origonal LLY Duramax injector lines are notorious for corrosion and breaking that can lead to contamination of your injectos. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, we’ve got you covered with the Fleece Performance direct replacement LLY injection lines! An upgrade to the factory lines on your 2004.5-2005 Duramax LLY, the Fleece Performance lines feature machined 4140 injector swivel nuts and are corrosion resistant. This injector line is a direct replacement and will fit either cylinder hole #1 or #8.

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