LED Kit; H11; Aluminum Heat Sink; 6500K; 2 Year Warranty;The BrightSource Chevrolet/GM Specific headlight bulb upgrades are designed to improve the light output of the factory supplied headlight system. The BrightSource Reversible Base Heatsink LED Kit powers a much brighter, whiter light output than stock H11 low beam headlight bulbs. Our Chevrolet/GM Specific wiring harness maintains your Daytime Running Light function (where applicable) without flickering or light out messages. An easy to install, plug and play, low beam headlight bulb upgrade solution for your Chevrolet/GM vehicle. 4000 Lumens, 6000K Colour Output, 50,000-hour bulb life. Reversible base provides greater clearance with tight installations. Bulbs can be adjusted for perfect alignment with headlight reflector using the included allen key. One Year Limited Warranty on Manufacturer's Defects. LED VSK Reversible Base H11 Low Beam Kit H11 LED VSK Reversible Base Low Beam Includes Harness Adjustable Base Allows You To Focus Headlight Beam Patterns 4000 Lumens Philips LED Chip Philips LED Chips 6500K Color Temperature Bulb Life Greater Than 30000 Hours Operating Voltage 12-24V Climatic Stability From -40 C To + 40C 1 Year Warranty - Manufacturers Defects Application Summary: Year Make/Model 2007-2013 Chevrolet Avalanche 2006-2013 Chevrolet Impala 2004-2012 Chevrolet Malibu 2006-2007 Chevrolet Monte Carlo 2007-2013 Chevrolet Silverado 1500 2007-2013 Chevrolet Silverado 2500 HD 2007-2013 Chevrolet Silverado 3500 HD 2003-2006 Chevrolet SSR 2010-2012 Chevrolet Traverse 2005-2009 Chevrolet Uplander 2007-2012 GMC Acadia 2007-2013 GMC Sierra 1500 2007-2013 GMC Sierra 2500 HD 2007-2013 GMC Sierra 3500 HD 2005-2010 Pontiac G6 2008-2009 Pontiac G8 2004-2006 Pontiac GTO 2005-2009 Pontiac Montana 2003-2005 Pontiac Sunfire