Power Right Spa Wet End for the 4HP Dually 56 Frame Pump. The PRWET4R is the complete Forward end for the dually pump with part# PRC9093X. This wet end is the larger version which uses 5 bolts to keep the suction housing together. 2" intake & 2" discharge (actual measurement is 3" out diameter). Please count the bolts on your wet end to makes sure this is the correct wet end for your application.