This is a BRAND NEW replacement flywheel for your Polaris Sportsman, Magnum, Ranger and Scrambler 500. Works perfectly, and its perfectly round. Looks and works great, ready to install. Will fit : 1999-02 Magnum 500 1997-03 Scrambler 500 1998-04 Sportsman 500 (Including 6x6) 2003-04 ...