Order Includes: 1x Complete Primary Drive Clutch with Weights and Spring. Compatible with Polaris models: Xplorer 300 4X4 1996-1999. Product Specs: OEM Style Solid Shaft without bearing. Measurements: Shaft Outer Diameter 38mm, Shaft hole Inner Diameter 29mm. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
