Pacific Piston Ring Company

Pacific Piston Ring Company (PRC) was established in 1921 and is headquartered in Culver City, California (USA). PRC produces specialty piston and sealing rings for the aerospace market that are engineered and manufactured to meet precise specifications for use in a number of applications including: pneumatic / hydraulic valves and actuators, landing gear, auxiliary power units, compressors, bleed air valves and controls, pressurization systems, de-icing systems, turbine engines, and retainer rings. PPR’s rings can be found on legacy and new production aircraft across the commercial, general aviation and military end markets.