H11 SL1 LED Headlight Bulbs

These St. Louis made LED lights meet the street legal output of headlights and feature a super simple installation. What's Included SL1 LED Bulbs (H11 fitment). Great for New & Used Vehicles An LED headlight conversion is perfect for replacing faded halogen bulbs but is also an affordable way to upgrade your new vehicle purchase. Tested to Perform SL1 bulbs are tested in factory lamps and measured using specialized equipment. The entire beam pattern is mapped, and compared to the total output of the original halogen. With proper optical engineering, testing, and validation in the application, these are assured to have correct optical performance. 1,630 Lumens  The single-intensity LED bulbs emit 1,630 lumens (each) of cool white illumination and feature several generations of cooling technology. They have a direct-solder copper core board, thermal phase-change interface material, and thermally-modeled zinc casting get heat to the base. This allows for a longer-lasting bulb