2004.5-2005 GM Duramax 6.6L LLY Brake Lines

It's the little things that will make your Sierra/Silverado's brakes perform at their very best, and you can grab everything you need right here at Alligator Performance. Aftermarket brake lines give you a firmer and more reliable braking feel in every situation by replacing the weak, rubber lines found on your GM 6.6L Duramax LLY build. Simple to install, these brake lines offer an immediate performance upgrade for your custom GM 2500/3500 build. GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.