Forged Piston Twin Cam9131750 Ignition System 500 Automatic EFI 4x4 : Color:112 Links 500 Automatic EFI 4x4 : 2016 2013 2014 2015 2017 1996 Polaris Sportsman 500 4x4 1997 Polaris Sportsman 500 4x4 1998 Polaris Sportsman 500 4x4 1999 Polaris Sportsman 335 1999 Polaris Sportsman 500 4x4 2000 Polaris Sportsman 335 2000 Polaris Sportsman 500 4x4 2000 Polaris Sportsman 500 6x6 2000 Polaris Sportsman 500 RSE 2001 Polaris Sportsman 400 2001 Polaris Sportsman 500 6x6 2001 Polaris Sportsman 500 HO 2001 Polaris Sportsman 500 HO RSE 2002 Polaris Magnum 500 4x4 2002 Polaris Magnum 500 RMK 2002 Polaris Magnum 500 w EBS 4x4 2002 Polaris Sportsman 400 2002 Polaris Sportsman 500 6x6 2002 Polaris Sportsman 500 H Softail Fat Boy FLSTF : 2002 2005 2006 2000 2001 2003 2004 Specs:Compression Ratio: 10