The Malossi X-Kevlar Belt V-belt is one of the absolute best on the market. It is developed for use in very powerful engines and to guarantee high wear resistance, Kevlar is included. To achieve the best possible bite, it is very important that the V-belt gets well warm before any. sprint or race. Compared to an original V-belt, this is significantly wider, which can increase the overall top speed. Measures: 16.9X8X800 MM