National 12-P-160 Mud Pump Urethane Bonded Piston 6-1/2" Mission Part 1502060 Our bonded-piston design with a urethane-based elastomer compound ....
F-1600 Mud Pump Piston Bullnose Extreme Pistons 6" Designed to preform in the harshest of drilling conditions, its oil-resistant high temperature ...