Fleece Performance Injection Line Set 04.5-05 GM 6.6L Duramax LLY

The LLY Duramax factory high pressure fuel lines are notorious for corrosion and breaking that can lead to massive injection issues. These issues are so prevalent that some injector manufactures will not warranty a new set of injectors unless the lines are replaced or put through a cleaning process. If you are changing your injectors in your LLY, Fleece has you covered. The Fleece Performance LLY Injector Lines. These are direct replacement lines and will ensure the fuel being fed to your injectors is clean and contamination free.