These side skirt rocker panels are perfect for car enthusiasts who want to enhance the appearance of their 1998 - 2005 Lexus GS300, GS400, or GS430. Whether you're driving on the streets or showing off at car meets, these panels will make your car stand out. They are made of FRP material, which is strong and lightweight. Although specific dimensions and weight aren't given, they are designed to fit perfectly on your Lexus. Professional installation is recommended for the best results.