DAYCO HPX (High Performance Extreme) ATV Belt Designed to dominate any type of terrain from mud hole to rocky trails to hill climbs to desert treks, Dayco HPX ATV Belts deliver unparalleled response. Constructed with extra strong p-aramid cord reinforcement and engineered fiber-loaded neoprene compounding this belt delivers the muscle and durability demanded by todays high performance engines and the high performance enthusiasts who drive them. Tested under severe field conditions, the Dayco HPX ATV Belt has been proven to run cooler and to provide longer belt life than competitive belts. Fits: Yamaha YFM600 Grizzly 4WD 1998-2001 YFM600FWA GRIZZLY 2002 YFM660 GRIZZLY 2002-2008 YFM660FA GRIZZLY AUTO 4X4 2009 YFM700FAP GRIZZLY EPS AUTO 2007-2011 YXR660 RHINO 2004-2005 YXR660 RHINO AUTO 4WD 2006-2007