Its fiber loaded rubber stock puts more flexibility along the length of the belt, yet gives the belt greater lateral stability in the pulley
Has thermally active tensile cords that provide maintenance free performance when properly installed and tensioned
Manufactured with form ground to ensure precise top width and sidewall dimensional control for proper fit in the pulley as well as a smoother, quieter running belt Product Description

ACDelco Professional, premium aftermarket V-Belts serve as replacement belts for today??s most demanding engine drives. Due to thermal forces, these variable notched belts actually tighten on the drive as they get hot. This results in improved belt performance by reducing tension, decay, and noise. These premium aftermarket replacement v-belts are manufactured to meet your expectations for fit, form, and function.