Order Includes: 2 x Castle Nut, 2 x Pin. Compatible with Polaris models: Sportsman MV7 2005, Predator 500 2003-2007. Castle Nut Part Number: 7543005 / Pin Part Number: 7661404. Dimensions & Measurements: Inner Diameter: 16.5mm / 0.64", Width: 20.4mm / 0.80", M17 x 1.5. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
