The supreme choice for high performance and reliable operation Feature top-cogged construction that dissipates heat and aids flexibility Cooler running means better performance and longer life Better flexibility reduces heat and transfers more power to the track Constructed from aramid cord and special rubber compounds for supreme performance and durability - Polaris Indy Touring 600 w/136" Track (2000); Polaris Indy XCF 440 SP (2001, 2002); Polaris Indy XCR 440 (1999); Polaris Indy 500 RMK (2000, 2002, 2001); Polaris Indy XC 500 SP (2003, 2001, 2000, 2002, 1999); Polaris Indy XC 500 (2003, 2000, 2001, 2002, 1999); Polaris Indy XC 600 SP (2000); Polaris Indy 600 Classic Touring (2002, 2003, 2001)