Wiseco 20 x 25 x 22.8mm Top End BearingAs the leading manufacturer of forged two stroke pistons, Wiseco knows top end bearings are crucial to your top end rebuild. Wiseco two stroke top end bearings are manufactured by leading bearing suppliers and inspected for quality. This Part Fits: Year Make Model Submodel 2003 2004 Polaris 700 Classic Base 2003 2004 Polaris 700 Classic Touring Base 2003 2004 Polaris 700 PRO X Base 2004 Polaris 700 PRO X2 Base 1997 2005 Polaris 700 RMK Base 1999 2003