1994 1995 Polaris 300 2x4 Race-Driven O-Ring Chain 520-86 L ATV 4 Wheeler 86L O Ring Chain Race-Driven O Ring Chain's tensile strength = 8200+ lbs. All chains include masterlink. O-Ring Chain helps keep the pins lubricated which reduces friction and helps the chain last longer. Fits 1994 1995 Polaris 300 2X4