ACDelco Gold 4K317SF Stretch Fit V-Ribbed Serpentine Belt;

ACDelco Professional, premium aftermarket V-Ribbed Stretch Fit Belts, with exclusive self-tensioning technology, are the first and only Aftermarket belts engineered to fit like a glove and perform properly on unique stretch fit drive systems. Prior to installation, ACDelco Professional V-Ribbed Stretch Belts are shorter than the actual working length, but once installed they automatically tension, maintaining the proper tension over the life of the belt and ensuring optimum load carrying capacity. These premium aftermarket replacement v-ribbed stretch fit belts are manufactured to meet your expectations for fit, form, and function.