GTR Lighting H11 Ultra Series 2.0 6000K LED Bulbs 3,900 LM 2007.5-2010-6.6l-lmm-duramax Optimized for factory mounting locations

Optimized for factory mounting locations

No more shuddering as your engine cycles between running on half or all cylinders

this kit is designed to handle both street and trail use

and helps reduce axle wrap

When installed

GTR Lighting H11 Ultra Series 2.0 6000K LED Bulbs 3,900 LM 2007.5-2010-6.6l-lmm-duramax Optimized for factory mounting locationsBetter than Ever: After nearly a decade of experience developing and refining our designs, sourcing the best quality raw materials, and gathering feedback from end users on what makes the best LED bulb with the most effective beam pattern; Were proud of the new Ultra 2. This an LED bulb upgrade that is brighter. That has a better beam pattern. Lasts longer. Has more adjustability. And is easier to install. It sets an all new standard for what products