Swisher T-249 Lawn Mower Belt 32527 - Bulk Lot of 2 Belts Price is for 2 belts After market premium kevlar v-belt - extra Strength for clutching - higher resistance to shock loads - reduces belt slippage Better durability - withstand higher temperatures - oil resistant - more resistant to clutching wear and tear 1/2 inch x 49 inches Kevlar /Aramid Fiber V-belts are made with high-strength fiber cords for heavy duty applications and severe duty cycles. These v-belts have a drier cover fabric that was designed to increase flexibility and withstand severe clutching action, bending or twisting, heavy loads and backside idler applications. Kevlar/Aramid fiber v-belts are oil and heat resistant. This Kevlar/Aramid construction is also used in military armor and bullet proof vests. As your stock v-belt wears down, it gets thinner and thinner. This, in turn, will start to decrease your top speed. A Kevlar/Aramid v-belt will keep this from happening