10T 3/4 Bore 40/41/420 chain No set screws.
- 10T sprocket for 41/420 chain
- 3/4" bore designed for 2-7hp engines
- Comes with built in 3/16 key no set screws
- 10T sprocket for 41/420 chain
- 3/4" bore designed for 2-7hp engines
- Comes with built in 3/16 key no set screws