BOLU manufactures Urethane Bonded Pistons and Replaceable Rubber Pistons. BOLU also supplies replaceable rubber kit and piston hubs. All our piston products are exchangeable with OEM products and meet or exceed API-7K standards. Urethane Bonded Pistons Bonded with premium urethane Optional regular type & high temperature type Excellent performance in extreme environment Exchangeable with OEM products Meet or exceed API-7K standards
