GOODYEAR 17531 GATORBACK VBEL Specially treated to maintain tension and resist stretch on both locked center drives and spring tension systems. Tough synthetic rubber cushioned ribs offer maximum cord support and wear resistance for unsurpassed performance in high horsepower applications Oil/abrasion/heat-resistant backing Helicog tooth design adds flexibility and quiet operation by eliminating irritating chirps, squeaks and squeals. This flexibility translates into a cooler running belt. And a cooler belt lasts longer -- nearly three times longer than other manufacturer&apos;s belts