Fitment:for Go Kart Cart Car Mini Bike replaces Yerf-Dog Manco Rotary
Package include:1* Brake Drum
4" OD Machined Drum for Brake Band Use
2" ID of Center Hole
2 Bolt Hole Patterns: 5/16" & 3/8"
The measurement of the actual items may slightly different from the listing images due to manual measurement,please allow 0.5-1mm difference.Thanks for your understanding.