Super Max Pump with 3/4 In. Center Port and 3/8 In. Dual Return Ports and 4 Steel Inserts. Powerhouse motor with your choice of Red's Super Pump Head #9 or #11 and Red's Backing Plate. Upgrades: Ball Bearing Motor Cap, and Motor Band, and Tank Plug. Pictured with Red's Legacy Backing Plate, raw ball bearing motor cap, and tank plug.