8V wedge belts can generate 1-2 times the horsepower ratings over a classic v belts. This is achieved by the "wedge" design and cord placement within the belt that offers better support while in motion. 8V wedge belts are able to withstand higher & heavier shock loads. All 8V series belts we sell have an improved outer wrap that improves the belts grip & wear resistance. Anti-Static, Heat & Oil Resistant Higher HP Ratings Getter Grip Better Wear Resistance