IBEXX AC 858 Clutch Kit Stage 2 31746-2

Upgrade your snowmobile’s clutch performance with the IBEXX AC 858 Clutch Kit Stage 2, part number 31746-2. Designed for select 2025 Arctic Cat 858 models, this kit is engineered to help your sled reach target RPMs more quickly and maintain peak horsepower.

The kit delivers a claimed two-sled-length advantage over stock while supporting improved throttle response and backshifting. Its Advanced Profile Technology™ adjustable weights are engineered for lightweight performance, and the unique custom-angle helix is designed to help optimize clutch operation.

Fitment includes the 2025 Arctic Cat ZR 858 Sno Pro ES 129-inch, ZR 858 with ATAC ES 129-inch, ZR 858 Sno Pro ES 137-inch, ZR 858 with ATAC ES 137-inch, Riot 858 Sno Pro ES 146-inch with 1.35-inch or 1.75-inch track, Riot 858 with ATAC ES 146-inch with 1.35-inch or 1.75-inch track, M 858 Alpha One 154-inch with 3.0-inch track, and M 858 Sno Pro 146-inch with 2.6-inch track.

Brand: IBEXX. Part number: 31746-2.

Features:

• Performance upgrade designed for select 2025 Arctic Cat 858 snowmobiles
• Delivers a claimed two-sled-length advantage over stock
• Helps reach target RPMs more quickly and maintain peak horsepower
• Advanced Profile Technology™ engineered lightweight adjustable weights
• Unique custom-angle helix supports better backshifting and improved throttle response
• Fits the listed 2025 Arctic Cat ZR, Riot, and M 858 applications

Fitment:
Arctic Cat M 858 Alpha One 154"/3.0" 2025
Arctic Cat M 858 Alpha One Sno Pro 154"/3.0" 2025
Arctic Cat M 858 Mountain Cat 146"/2.6" 2025
Arctic Cat M 858 Mountain Cat 154"/2.6" 2025
Arctic Cat M 858 Mountain Cat 154"/3.0" 2025
Arctic Cat M 858 Mountain Cat 165"/3.0" 2025
Arctic Cat M 858 Mountain Cat ES 146"/2.6" 2025
Arctic Cat M 858 Mountain Cat ES 154"/2.6" 2025
Arctic Cat M 858 Mountain Cat ES 154"/3.0" 2025
Arctic Cat M 858 Mountain Cat ES 165"/3.0" 2025
Arctic Cat M 858 Mountain Cat w/ Atac 146"/2.6" 2025
Arctic Cat M 858 Mountain Cat w/ Atac 154"/2.6" 2025
Arctic Cat M 858 Mountain Cat w/ Atac 154"/3.0" 2025
Arctic Cat M 858 Mountain Cat w/ Atac 165"/3.0" 2025
Arctic Cat M 858 Mountain Cat w/ Atac ES 146"/2.6" 2025
Arctic Cat M 858 Mountain Cat w/ Atac ES 154"/2.6" 2025
Arctic Cat M 858 Mountain Cat w/ Atac ES 154"/3.0" 2025
Arctic Cat M 858 Mountain Cat w/ Atac ES 165"/3.0" 2025
Arctic Cat M 858 Sno Pro 146"/2.6" 2025
Arctic Cat M 858 Sno Pro 154"/2.6" 2025
Arctic Cat M 858 Sno Pro 165"/3.0" 2025
Arctic Cat M 858 Sno Pro ES 146"/2.6" 2025
Arctic Cat M 858 Sno Pro ES 154"/2.6" 2025
Arctic Cat M 858 Sno Pro ES 154"/3.0" 2025
Arctic Cat M 858 Sno Pro ES 165"/3.0" 2025
Arctic Cat Riot 858 Sno Pro ES 146"/1.35" 2025
Arctic Cat Riot 858 Sno Pro ES 146"/1.75" 2025
Arctic Cat Riot 858 w/ Atac 146"/1.35" 2025
Arctic Cat Riot 858 w/ Atac 146"/1.75" 2025
Arctic Cat ZR 858 Sno Pro 137" ES 2025
Arctic Cat ZR 858 Sno Pro ES 129" 2025
Arctic Cat ZR 858 W/ Atac 129" ES 2025
Arctic Cat ZR 858 W/ Atac 137" ES 2025