The Peterbilt Rear Radius Style bracket is designed for 15-inch air cleaners and includes three 2-inch light holes (lights not included). This bracket is compatible with most Peterbilt makes and models, offering practicality and convenience. Its sturdy construction ensures durability and reliability. With its easy installation process, this bracket provides a seamless solution for enhancing the functionality and aesthetics of your Peterbilt truck. Upgrade your air cleaner with this versatile and reliable bracket, designed to meet your needs on the road.