Zatkoff Seals & Packing PH-0329-PSKHD 3-1/4" Heavy Duty Piston Seal Kit PSK-Moly is a replacement kit for piston seal assemblies, identified by the part number PH-0329-PSKHD. It is described as heavy-duty and uses PSK-Moly components, sized for a 3-1/4" piston interface. This kit provides the seals needed to restore sealing performance in piston assemblies that require PSK-Moly seals.
