Boss Bearing P-ATV-ARM-1001-5I2-6 Rear A Arm Bushings Kit Polaris Sportsman 500 4X4 1996-2001 Our bushings feature an impressive 20% higher tensile strength than Delrin. Kit Contains: All the bushings and spacers to do one rear a-arm. If you'd like to do both sides of the ATV, please order 2 kits.