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: Arctic Cat 550 2011 550 GT EFI 4X4 2012 550 TRV 4X4 2013 550 TRV H1 EFI 2012 550 TRV XT 2013 550 XT 2013 550 XT EFI 4X4 2013 550i EFI 4X4 2012-2013 550i LTD 2013 550i PROWLER XT 2012 550i TRV GT EFI 4X4 2012 650i 4x4 2012 700 2013 700 GT EFI 2012 700 H1 EFI MUDPRO 2012 700 HDX 2013 700 MUDPRO 2013 700 PROWLER HDX 2012 700 PROWLER XTX 2012 700 TBX 2012 700 TBX XT 2013 700 TRV H1 EFI 2012 700 TRV LTD 2013 700 TRV XT 2013 700i EFI MUDPRO 2012-2013 700i EFI MUDPRO LTD 2012 700i LTD EFI 2012-2013 700i TRV CRUISER EFI 2012 700i TRV GT EFI 2012