I have for sale a CNC master cylinder with a 3/4" bore. Used for hydraulic clutch setups. Part # 711F-3/4. Goes for between $80-$90 new. Will sell for $70 OBO. Installed and bled but never run.
SERIES 711
Steel Cylinder Without Reservoir
2 1/4" Mounting pattern.
5/16-24 thread push rod.
1/8" pipe thread outlet.
Total-seal rubber boots.
High strength severe duty design.