A BELT THAT CAN TAKE THE HEAT: With deep double cogs for strength and added cooling, this belt is designed for high performance Snowmobiles in high horsepower, high torque, and extreme riding environments! PRECISION MANUFACTURING: Constructed using strict tolerances for consistent sizing and performance, this belt is loaded with maximum level of Aramid fibers for strength and stability and provides outstanding adhesion to the clutch surfaces while withstanding high temperatures. AN UPGRADE YOU CAN COUNT ON: Replaces OE# 417-300-383, 417-300-391, 417-300-377 MADE TO FIT: Compatible with Ski Doo Backcountry 850 2019-22, Expedition 600/800/850/900/1200 2011-22, Freeride 800/850 2012/2019-22, Grand Touring 600/900/1200 2010-22, GSX 600/800/900/1200 2015, GTX 600/1200 2009, Mach Z 900 Turbo 2022, MXZ 600/800/850/900/1200 Std/X/XRS 2009-22, Renegade 600/800/850/900/1200 Std/X/XRS 2010-22, Skandic 600/900 2011-19, Summit X 600/800/850/X 850 2009-22, and Tundra LT/Sport/Xtreme 2011-19 Snowmobiles. QUALITY YOU CAN TRUST: Backed by EPI's 1 Year Limited Warranty so you can get back out there and enjoy your ride Fits: Ski-Doo Backcountry 850 Std/X/X-RS 2019-22, Expedition 600/800/850/900/1200 LE/SE/Turbo/Sport/SWT/TUV/Xtreme 2011-22, Freeride 800 2012, Freeride 850 (all options) 2019-22, Grand Touring 600/900/1200 LE/Turbo/SE/Sport 2010-22, GSX 600/800/900/1200 LE/SE 2015, GTX 600/1200 2009, Mach Z 900 Turbo 2022, MXZ 800 (all options) 2009-17, MXZ 600 50th Anniversary/Blizzard/Renegade/TNT HO 2009-18, MXZ 850 Blizzard/TNT 2017-22, MXZ 900 (all options) 2015-18, MXZ 1200 Blizzard/Renegade/TNT 2009-18, MXZ X 600/800/850/1200 2009-22, MXZ XRS 600/800/850 E-TEC 2015-22, Renegade 600/800/850/900/1200 Adrenaline/Back Country/Enduro 2010-22, Renegade X 600/800/1200 2010/2013-18, Renegade X 850/900 2019-22, Renegade XRS 800 2016-17, Renegade XRS 850/900 2019-22, Skandic 600 SWT/WT 2011-19, Skandic 900 SWT/WT 2015-19, Summit 800 (all options) 2009-17, Summit Edge 850 (all options) 2022, Summit 850/X 850 (all options) 2017-22, Summit X 600/800 2010-11, Tundra LT/Sport 2013, Tundra 600 Xtreme 2011-19. Replaces OE: 417-300-383, 417-300-391, 417-300-377. The highest quality snowmobile belt available. An EPI exclusive product. Deep Double Cog style belt helps reduce clutch heat. Highest quality control & closer tolerances used in manufacturing. Designed for Severe Duty applications such as high horsepower & aggressive riding styles. Exacting specifications, measurements and dimensions provide a consistent clutch operation.