Fits Following Yamaha Models: Rhino 660 YXR66F 2004-2007Rhino 660 YXR66F Exploring Edition 2006-2007Rhino 660 YXR66F Special Edition 2006-2007Rhino 660 YXR66F Ducks Unlimited 2007Rhino 660 YXR66F Sport Edition 2007 Order Includes: 1 x Oil Seal | 93102-35004-00 2MB-E511B-00-00 1 x Centrifugal Drum Housing | 5KM-16611-10-00 5KM-16611-00-00 1 x Clutch Hub One Way Bearing | 4SH-16664-00-00 1 x Centrifugal Wet Clutch | 5KM-16620-00-00 1 x Wet Clutch Gasket | 5KM-15463-00-00 Dimensions & Measurements : Oil Seal Inner Diameter : 32.7mm | 1.28″ Outer Diameter : 66mm | 2.59″ Width : 8mm | 0.31″ Centrifugal Drum Housing Inner Diameter : 62mm | 2.44″ Outer Diameter : 140mm | 5.51″ Height : 145mm | 5.70″ Length : 35mm | 1.37″ Clutch Hub One Way Bearing Inner Diameter : 47mm | 1.85″ Outer Diameter : 62mm | 2.44″ Width : 12.70mm | 0.5″ Centrifugal Wet Clutch Inner Diameter : 26mm | 1.02″ Outer Diameter : 138.2mm | 5.44″ Width : 52mm | 2.04″