Ultimax Snowmobile Belt- 147-4711U4

This is the Ultimax PRO snowmobile belt, part number 147-4711U4. It's built to give mid-horsepower snowmobiles the best performance and longest belt life. The PRO belt has a thicker cross-section than stock, which increases the surface area that contacts the clutch. This means you'll see less slippage across a wider range of speeds, leading to quicker acceleration when you need it.

The cog design on this belt is key to its performance. It adds strength, helps dissipate heat that builds up during operation, and keeps the belt flexible. This combination means you get improved performance and a longer lifespan, even with the power demands of modern snowmobiles. It's constructed with fiber-loaded rubber and strong aramid fiber cords that grip the clutch firmly and maintain performance without stretching over time. This is a fifth-generation belt, benefiting from decades of refinement and steady improvements.