After upgrading your 6.6L Duramax for maximum power and fitting oversized wheels and tires, it’s essential to address your truck’s factory brake system. Enhancing your 2004.5-2005 GM 2500HD/3500HD with our selection of premium brake rotors offers a significant improvement in overall stopping power! Choose from drilled, slotted, or combination rotors that help dissipate heat and clear away dust and debris, resulting in reduced fade and greatly enhanced braking consistency. This ensures you can always bring your GM to a smooth stop, regardless of what you're towing or hauling. Further enhance your trucks stopping power with our selection of Brake Pads!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.