The DAYCO 1.66” x 85.83" poly rib serpentine belt for Kenworth and Peterbilt is designed to handle multiple pulleys simultaneously, which helps reduce wear and slipping. It is manufactured with high-strength rubber compounds intended for improved durability and longevity. The belt features precision-engineered ribs, offering an enhanced fit and smooth operation even under high loads. It effectively minimizes vibrations and noise, promoting a quieter ride while applying less stress on components. Its rigid construction is crucial for maintaining tension, thereby reducing the chances of sudden breakdowns.