1OE Number: The referencing OE number of this A arm bushing kit are 5431846, 5432091, 5433063, 5434548, 5439270. 2Fitment: The A arm short bushing kit is a replacement for Polaris Big?Boss 400L 1994?1996, for Big?Boss 500 1997?1998, for Hawkeye 300 2007?2011. 3Exquisite Technology: In the production process, advanced CNC equipment and exquisite processing technology are adopted to ensure the accurate size and smooth surface. 4Stable Performance: Reasonable designed, which can maintain stable performance under high speed rotation and heavy duty working conditions. 5Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency.