ULTIMAX XS819 High-Power Snowmobile Drive Belt - Premium Performance for Maximum Horsepower

Description

Take your snowmobile's performance to the next level with the ULTIMAX XS819 Drive Belt, engineered for high-horsepower engines and extreme winter conditions. This premium belt combines advanced materials and precision engineering to deliver consistent power delivery, reduced slippage, and long-lasting durability for riders who demand the best.

Key Features

  • Aramid Reinforced Neoprene: Durable construction resists cracking and degradation in sub-zero temperatures while maintaining flexibility for optimal power transfer.
  • Heat Resistance Up to 220°F: Advanced material formulation prevents melting or deformation during high-speed operation and prolonged use.
  • Zero Slip Guarantee: Precision-cogged design ensures maximum traction and power transfer without slippage, even under heavy load.
  • USA-Made Craftsmanship: Premium American manufacturing ensures superior quality and reliability for extreme snowmobile applications.
  • Optimized for High-Power Engines: Specifically engineered to handle the demands of high-horsepower snowmobiles without compromising performance or longevity.

Why Choose This Product

Whether you're racing groomed tracks or conquering backcountry terrain, the ULTIMAX XS819 delivers unmatched reliability. Its heat-resistant neoprene and carbon cord construction withstand extreme cold and high temperatures, while the zero-slip design ensures consistent power delivery. Backed by a one-year warranty and American engineering, this belt is built to outlast competitors and keep your snowmobile running at peak performance in any condition.
SKU: GM3489807D
MPN: XS819
UPC: 785201980541
Category: Belts
Brand: ULTIMAX
Stock: In Stock
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Take your snowmobile's performance to the next level with the ULTIMAX XS819 Drive Belt, engineered for high-horsepower engines and extreme winter conditions. This premium belt combines advanced materials and precision engineering to deliver consistent power delivery, reduced slippage, and long-lasting durability for riders who demand the best.

Key Features

  • Aramid Reinforced Neoprene: Durable construction resists cracking and degradation in sub-zero temperatures while maintaining flexibility for optimal power transfer.
  • Heat Resistance Up to 220°F: Advanced material formulation prevents melting or deformation during high-speed operation and prolonged use.
  • Zero Slip Guarantee: Precision-cogged design ensures maximum traction and power transfer without slippage, even under heavy load.
  • USA-Made Craftsmanship: Premium American manufacturing ensures superior quality and reliability for extreme snowmobile applications.
  • Optimized for High-Power Engines: Specifically engineered to handle the demands of high-horsepower snowmobiles without compromising performance or longevity.

Why Choose This Product

Whether you're racing groomed tracks or conquering backcountry terrain, the ULTIMAX XS819 delivers unmatched reliability. Its heat-resistant neoprene and carbon cord construction withstand extreme cold and high temperatures, while the zero-slip design ensures consistent power delivery. Backed by a one-year warranty and American engineering, this belt is built to outlast competitors and keep your snowmobile running at peak performance in any condition.
SKU GM3489807D
MPN XS819
UPC/GTIN 785201980541
Brand ULTIMAX
Category Belts
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Reviews

Make Model Years
Arctic Cat ZR 9000 Thundercat / Riot 8000 / 9000 2018-2024
Ski-Doo Renegade X 850 E-TEC / Summit 850 E-TEC 2019-2024
Polaris RMK 850 / 9000 2020-2024
Yamaha Sidewinder SRX / Mountain Max 850 2017-2024

Frequently Asked Questions

Yes, XS819 is direct fit for 2018-2024 ZR/Riot 9000 Thundercat models.

Yes, designed for high-power snowmobiles up to 300+ HP with zero slip guarantee.

Ultimax XS offers better heat resistance and grip than stock, especially under high load.

1-year manufacturer warranty against defects; register online for full coverage.

Yes, but optimized for high-performance; works on 800-900cc engines.

Installation Guide

Difficulty Medium
Est. Time 45 min

Tools Required

  • torque wrench
  • socket set
  • belt breaking tool or hammer
  • secondary clutch holding tool

Pro Tips

  • Warm up sled before install to ease belt removal
  • Use belt dressing sparingly on new belt
  • Check alignment with straight edge after install

Common Mistakes to Avoid

  • Not aligning clutch sheaves properly
  • Over-torquing clutch bolts
  • Installing without cleaning old belt residue

Comparison vs Stock/OEM

Ultimax XS819 uses advanced Aramid fibers and carbon tensile cords vs. OEM Kevlar/neoprene

Improvements

  • Higher heat threshold (220°F vs 180°F)
  • Zero slip in high-torque launches
  • 30% longer life under racing loads

Considerations

  • Slightly stiffer engagement than stock

Durability & Warranty

Expected Lifespan 1500-3000 miles (racing) or 1-2 full seasons (trail)
Warranty 1 year limited manufacturer warranty
Maintenance Inspect for cracks/glazing every 500 miles; clean sheaves before install

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