EPI Performance High Elev. Sport Utility Clutch Kit for 2008-10 Arctic Cat Thundercat 1000 Models – Stock Tires

2008-2010 Arctic Cat Thundercat 1000 Sport Utility Clutch Kit

Upgrade your machine with the EPI Performance High Elevation Sport Utility Clutch Kit WE436578 for select 2008-2010 Arctic Cat Thundercat 1000 models. Designed for stock tires and riding conditions from 3,000-6,000 ft elevation, this all-around clutch kit is built to improve drivability across trail riding, occasional mud and sand use, plowing, and hauling. It helps deliver better low-end and midrange acceleration, quicker backshift response, and reduced belt slip for more efficient performance under load.

Key Features

• Designed for stock tires for proper clutch calibration without oversized tire tuning
• Built for 3,000-6,000 ft elevation for high-elevation riding and utility use
• Best all-around use kit for mixed recreational and work applications
• Great for trail riding, occasional mud and sand riding, plowing, and hauling
• Improves low-end and midrange acceleration for stronger pulling power and better response
• Quicker backshift for crisp throttle response on changing terrain
• Reduces belt slip and clutch heat to support more efficient CVT performance

Technical Specifications

• Brand: EPI Performance
• Part Number: WE436578
• Product Type: High Elevation Sport Utility Clutch Kit
• Fitment: 2008 Arctic Cat 1000 Thundercat Auto 4×4; 2009-2010 Arctic Cat 1000 Thundercat H2 4×4
• Tire Compatibility: Stock tires
• Elevation Range: 3,000-6,000 ft
• Recommended Use: Trail riding, occasional mud and sand riding, plowing, and hauling
• Tool Required for Installation: Clutch Compression Tool CCT510
• Items Needed from Dealer: Internal Clutch Cover Gasket #0830-133 and 2-3 quarts of Arctic Cat motor oil
• Note: Clutch kit components may vary from photo

Compatibility / Applications

This clutch kit is engineered for riders who want better all-around performance from a compatible Arctic Cat Thundercat 1000 while retaining a stock tire setup. It is a strong choice for owners who use their machine for both recreation and utility work at higher elevations. Whether you ride trails, encounter occasional mud or sand, or rely on your ATV for plowing and hauling, this kit helps improve clutch response and restore more usable power.

Why Choose This Product?

The EPI WE436578 is a smart upgrade for riders who need a reliable upgrade for high-elevation performance without sacrificing versatility. It improves low-end pull, strengthens midrange response, sharpens backshift, and helps control belt slip and clutch heat during demanding use. For owners who want a well-balanced clutch setup for both work and recreation, this EPI sport utility kit delivers dependable real-world gains in acceleration, drivability, and efficiency.

Choose the EPI Performance High Elevation Sport Utility Clutch Kit WE436578 when you need stronger response, better acceleration, and more efficient clutch performance for your 2008-2010 Arctic Cat Thundercat 1000 with stock tires.