Ultimax 144-4353U4 PRO Snowmobile Drive Belt 44-5/8" x 1-15/32"

The Ultimax PRO 144-4353U4 by Timken is a fifth-generation snowmobile drive belt engineered for modern mid-power snowmobiles. This American-made belt features a thicker cross section that provides more surface area contact with the clutch, delivering less slippage across a broader speed range for quicker acceleration and enhanced performance.

Advanced Design Features:

• Top and bottom cog design dissipates heat and improves flexibility for cooler operation and extended belt life
• Dual cog configuration provides greater cord support for increased power capability without sacrificing flexibility
• High-strength aramid cord construction ensures zero stretch and maximum tensile strength
• Fiber-loaded rubber compound grips clutches consistently throughout the belt's lifespan
• Modern manufacturing processes reduce dimensional variation for consistent performance
• Tighter tolerances than OE belts with dimensions matching original equipment cord length and width

Built for All Riding Styles:

• Engineered with high-strength materials to handle ditch-banging, deep powder, and trail riding
• Decades of refinement eliminate classic failure modes for reliable performance
• Ensures your sled shifts like new with precise OE-matched dimensions

Specifications:

• Outside Circumference: 44-5/8 inches
• Top Width: 1-15/32 inches
• Proudly made in the U.S.A.
• Backed by one year warranty