Cylinder Kit for 500 3085377 1996–2013 Compatible with models equipped with 500cc engines, including: ATP 500 4x4 HO (2004–2005) Big Boss 500 6x6 (1998–1999) 500 (1999–2003) 500 (1999–2010) Scrambler 500 (1997–2010) 500 (1996–2010) X2 500 (2006–2009) Worker 500 (1999–2001) Xplorer 500 4x4 (1997) This cylinder kit is designed to replace the cylinder assembly in applicable 500cc engines.It includes all components necessary for installation as a direct replacement.The part number 3085377 corresponds to the configuration for the specified model years and applications. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.