Product details:

OEM construction drop-in belt with no clutching adjustments. Tested under extreme conditions in controlled environments as well as race vehicles. Viability testing completed to match shift curves. Dynamometer testing proves G-Force belts outlast other high-performance belts by as much as five times. Advanced aramid tensile cords and reinforced fiber loaded undercord are used in construction for durability and dependibility. Flat-top or top-cog construction. Proprietary measuring technology ensures exact fit. Construction utilizes double and single cog configurations to match OEM belt designs maximizing heat control and flexibility.Yamaha YFM350 Bruin Auto 2x4 2004-2006Yamaha YFM350 Grizzly 4x4 Auto 2007-2013Yamaha YFM350 Grizzly Auto 2007-2012Yamaha YFM350 Wolverine 2006-2009