... : HRC60~67 Service life: up to 800 hours Bi-metal Liner for Mud pump: Detail The liners are designed to fit ... Gaso. The parts include Hy-chrome Mud Pump Liner, chrome-plated Liner, Hardened Steel Liner, Premium Cross Arms Valve and seat, Full open ... with Rubber and Fabric, Long-Life bonded Piston with Urethane, Replacement Piston, Piston Hub, Piston Rod, Plate, Snap Ring, Crosshead, Upper ...