66 Tooth Sprocket for #420 Chain with Custom Mounting Pattern
- Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy
- For #40, #41, and #420 Chain
- 66 Teeth
- Custom Mounting Pattern
- 66mm ID Bore
- 110mm Bolt Circle Diameter
- Four 12mm ID Bolt Holes Equally Spaced @ 90 Degrees