They are manufactured using high performance components.
It is specifically manufactured for durable wear resistance, cool running, high heat and oil resistance, flexibility, and has been proven by thousands of hours of customer use. They are manufactured to perform at identical or higher levels than all major US Manufacturer's belts of the same type. 11 3/5" Outside Length, 2/3" Top Width, 1 Ribs DURA-EXTREME CLASSICAL belts are single, raw edge, cogged belts that give extreme belt performance.