Order Includes: 8 x Roller Clutch. Compatible with Arctic Cat Models: Thunder Cat 4x4 2008-2010. Part Number: 0823-170. Measurements: Weight: 23.5g , Width: 0.70" 18.0 mm , Inner Diameter: 0.84" 21.5 mm , Outer Diameter : 1.18" 30.0 mm. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
