This headlight assembly compatible with 2008-2019 Kenworth T170 T270 T370 T660, 2011-2015 T700 Constructed from premium ABS plastic and polycarbonate lenses, these headlights are built to withstand impacts, offering excellent durability and prolonged service life. Designed for a seamless plug-and-play installation as a direct bolt-on OE fitment, these headlights can be easily installed without any modifications or drilling required, simplifying the upgrade process. This set features a comprehensive pair of fully LED headlights for both the driver and passenger sides. Equipped with advanced LED technology for low/high beam functionality. features amber LED markers and turn signals, along with white LED halo rings and strip running lights for enhanced visibility. The Gatling style projector offers intense high beam illumination, while the projector low beam ensures focused light distribution. A built-in heavy-duty resistor eliminates hyper flashing, and beam adjusters with an included tool facilitate precise alignment.