Delavan 6 Roller Pump - 300 PSI, 19.6 GPM, Cast Iron, CCW (Kit) Delavan RollerPRO DPK-6900C Series 6-roller cast iron pump kit Kit includes: 1 pc #6900C Delavan 6-roller cast iron pump 1 pc #90200 Aluminum dual speed quick coupler 1 pc #33680 Torque arm & chain